Resultados de la búsqueda de "air quality electronics"

1. Frequency range: - FM1:63-87MHz FM2:87-108MHz - MW:522-1620KHz(step:9K) / MW:520-1710(Step:10K) - SW:5.9-21.85MHz 2. Sensitivity: FM: <=18dB MW: <=10mV/M SW: <=60uV 3. Distortion degree: <=1% 4. Single signal selection: <=10db 5. Machine speaker: 50mm/8ohm/0.5W 6. External earphone: 3.5mm/32ohm x2 7. Can set a time/alarm clock function 8. Power supply: 3V (battieries: 2 x AA)(not included) 9. External power suppl: >=32dB 11. Size: 111x70x26mm 12. Standard accessories: headset, rope, white box, english manualSpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 15cm * 8.5cm * 4cm / 5.91inch * 3.35inch * 1.57inch Qty per Carton 100 Carton Weight 18.00kgs / 39.68lb Carton Size 37cm * 34cm * 44cm / 14.57inch * 13.39inch * 17.32inch Loading Container 20GP: 481 cartons * 100 pcs = 48100 pcs40HQ: 1118 cartons * 100 pcs = 111800 pcs

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1. Two pickup modes: cardioid mode, omnidirectional mode 2. The USB interface is plug and play, no driver is required 3. High purity brazed steel mesh head 4. Multi-function indicator aperture 5. Built-in shock-absorbing silicone knob 6. Anti-rust paint metal base 7. Power/power consumption: 5V, 50.5mA 8. Sampling rate: 32KHz, 44.1KHz and 48KHz 9. Bit rate: 16 and 24bit 10. Microphone frequency response: 20Hz-20KHz 11. Sound pressure level: 110dB 12. Diaphragm cabin: two Blue 14mm condenser diaphragm cabins 13. Microphone sensitivity: -37dB 14. Headphone amplifier impedance: greater than 13 Ohms 15. Headphone amplifier frequency response: 20Hz-20KHz 16. Size: 10.9x9.6x21.1cm 17. Weight: 630gSpecification: Package Weight One Package Weight 0.99kgs / 2.17lb One Package Size 26cm * 14cm * 13cm / 10.24inch * 5.51inch * 5.12inch Qty per Carton 20 Carton Weight 19.50kgs / 42.99lb Carton Size 66cm * 53cm * 30cm / 25.98inch * 20.87inch * 11.81inch Loading Container 20GP: 254 cartons * 20 pcs = 5080 pcs40HQ: 589 cartons * 20 pcs = 11780 pcs

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1. The portable and foldable wind screen can easily solve the problems of unstable/dry sound transmission and emission and diffusion during recording in various occasions. 2. Portable design, combination of 3 panels, adjustable angle, easy to carry and easy to install. 3. The new porous ABS shell, sturdy design, effectively reduce the impact of noise on the recording effect. 4. Multi-layer noise reduction, the sound is clearer, effectively preventing external noise from interfering with the microphone. 5. Acoustic principle design, high-density sponge, prevent sound emission from being absorbed by the microphone and reduce diffuse sound waves. 6. It can be used on the desktop or installed on a stand. 7. Applicable places: personal recording studio, professional recording studio, stage, chat room, Internet cafe, broadcasting room, control room. 8. Scope of application: computer recording production, cover recording, online K song, video chat, broadcasting, radio hosting.Specification: Package Weight One Package Weight 0.74kgs / 1.64lb One Package Size 26cm * 17cm * 8cm / 10.24inch * 6.69inch * 3.15inch Qty per Carton 20 Carton Weight 16.20kgs / 35.71lb Carton Size 48cm * 42cm * 38cm / 18.9inch * 16.54inch * 14.96inch Loading Container 20GP: 348 cartons * 20 pcs = 6960 pcs40HQ: 808 cartons * 20 pcs = 16160 pcs

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1. No admite tarjetas de expansión. 2. Idioma del menú: varios idiomas 3. Grabación profesional, reducción de ruido de alta definición. 4. Conexión Bluetooth, botones táctiles multifunción. 5. Repetición AB inteligente, reproducción de música sin pérdidas 6. Formato de grabación: compatible con formato MP3, WAV 7. La luz de fondo ilumina la pantalla, lo que hace que la operación nocturna sea más conveniente. 8. Reproducción a 8 velocidades y a baja velocidad, reproducción de vídeo en múltiples formatos 9. Funciones adicionales: compatible con Bluetooth, exploración de imágenes, lectura de libros electrónicos. 10. Duración: 30 horas 11. Tamaño de pantalla: 1,5 pulgadas 12. Resolución de pantalla: 160×128 13. Capacidad de la batería: batería de litio de 300 mAh. 14. Rango de respuesta de frecuencia: 20 HZ-20 KHZ 15. Hay un conector para auriculares, interfaz USB: Micro USB 16. Formatos de audio compatibles: MP3, WMA, WAV, APE 17. Tamaño: 86,5 x 42 x 9 mm 18. Peso: aproximadamente 34,3 g Accesorios de embalaje: 1. Anfitrión x1 2. Auriculares x1 3. Cable de datos x2 4. Manual x1 5. Tarjeta de garantía x1 Especificación: Peso del paquete Peso de un paquete 0,08 kg/0,19 lb Un tamaño de paquete 15 cm x 10 cm x 5 cm (5,91 pulgadas x 3,94 pulgadas x 1,97 pulgadas) Cantidad por caja 100 Peso de la caja 9,00 kg/19,84 lb Tamaño de la caja 42 cm x 52 cm x 32 cm (16,54 pulgadas x 20,47 pulgadas x 12,6 pulgadas) Contenedor de carga 20GP: 381 cajas * 100 piezas = 38100 piezas 40HQ: 885 cajas * 100 piezas = 88500 piezas

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1. Separate the lead PTT/microphone and sound tube.2. The soft plastic earplugs fit your ears closely through the transparent sound tube.3. Connect the transparent "monitor style" acoustic tube connector to the earpiece.4. Remote microphone with on-demand call button, you can edit anywhere.5. Big PTT is easy to find and press.6. Suitable for police, military, nightclubs, bars, paintball, security, hotels, restaurants, bodyguards, warehouses and noisy environments.7. Speaker size: 15mm8. Rated input power: 1W9. Sensitivity: 105+/-4dB / 1KHz10. Distortion rate: less than 5%11. Frequency response: 200Hz-20 KHz12. Microphone size: 6.0x5.0mm13. Wire material: PU14. Suitable for Motorola XPR7550, XPR7350, XPR7580, XPR7380, APX2000, APX5000, APX7000XE, APX6000, APX8000, APX6000XE, P8260, P8268, P8608, P8660, P8668, MTP6550, MTP6750, SRX2200, etc.Specification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 17cm * 12cm * 5cm / 6.69inch * 4.72inch * 1.97inch Qty per Carton 80 Carton Weight 8.30kgs / 18.30lb Carton Size 34cm * 48cm * 50cm / 13.39inch * 18.9inch * 19.69inch Loading Container 20GP: 326 cartons * 80 pcs = 26080 pcs40HQ: 758 cartons * 80 pcs = 60640 pcs

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1. The ESP32-S3-RGB-Matrix is a high-performance, highly integrated LED matrix panel driver board. It is suitable for HUB75 interface RGB matrix panels and related embedded applications. Based on the ESP32-S3 microcontroller, it integrates large-capacity Flash storage, RTC chip, IMU, TF card slot, low-power audio codec chip, dual microphones, and so on. It also provides reserved interfaces such as USB, UART, I2C, and GPIO, offering strong scalability and enabling users to quickly develop and integrate it into practical applications.3. Supports 2.4 GHz Wi-Fi and Bluetooth 5 (BLE) dual-mode communication4. Includes 512KB SRAM and 384KB ROM; integrates 32MB Flash and 16MB PSRAM to meet storage requirements across various scenarios5. Compatible with the full range of Waveshare Matrix-RGB panel sizes; capable of smoothly running graphical interface programs like LVGL6. Onboard ES7210 echo cancellation chip for enhanced voice processing performance7. Onboard ES8311 low-power audio codec chip, supporting high-quality audio input and output8. Equipped with a dual-microphone array supporting noise reduction and echo cancellation algorithms; suitable for applications such as voice recognition and wake-up9. Onboard speaker interface for audio output; allows for direct connection to a speaker10. Integrates the QMI8658 6-axis IMU (3-axis accelerometer + 3-axis gyroscope) for attitude detection11. Integrates the SHTC3 temperature and humidity sensor for precise environmental monitoring12. Onboard Micro SD card slot for storing images, audio, and various data files, facilitating easy data read/write operations13. Onboard PCF85063 RTC chip and reserved SH1.0 battery interface; supports timekeeping during power outages14. Reserved GPIO expansion interface for peripheral expansion and custom functionality, catering to diverse development needs15. Dual power supply interface design; supports stable operation of up to six 64×64 Matrix-RGB panels and allows for cascading expansion to meet large-format display requirements16. Onboard USB Type-C interface for power supply, programming, and debugging17. Onboard RST and BOOT buttons; the BOOT button supports custom functions, enhancing development flexibilitySpecifications:1. Power supply voltage: 5V2. Maximum current capacity: 10A3. Supported resolutions: 64 × 64 | 64 × 32 | 80 × 40 | 96 × 484. Interface type: HUB755. Maximum resolution (cascaded): 6 × 64 × 646. Operating temperature range: -40 ~ +85 degrees Celsius7. Product dimensions: 50 × 42 mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 13.10kgs / 28.88lb Carton Size 34cm * 42cm * 32cm / 13.39inch * 16.54inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs40HQ: 1354 cartons * 120 pcs = 162480 pcs

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Product parameters:1. Material: ABS, electronic components2. Applicable objects: for interviews, conferences, and recording3. Frequency range: 610.50-669 50MHz4. Frequency stability: +/-10ppm5. RF power: 10dBm6. Audio frequency response: 40-18000Hz7. Distortion: less than 0.5%8. Signal to noise ratio: 90dB9. Pointing characteristics: omni-directional/no-pointing10. Built-in battery (transmitter/receiver): 3.7V 400mAh lithium polymer battery11. Battery life: 3 hours12. Input voltage: 5V 1A13. Small size, easy to carry14. Widely applicable to various recording equipmentPacking list:1.GAW-810:-Receiver x 1-Transmitter x 1-Windshield x 1-Connecting cord x 3-Storage box x 12.GAW-811-Receiver x 1-Transmitter x 2-Windshield x 1-Connecting cord x 3-Storage box x 1Specification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 21cm * 13cm * 5cm / 8.27inch * 5.12inch * 1.97inch Qty per Carton 74 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 74 pcs = 13098 pcs40HQ: 412 cartons * 74 pcs = 30488 pcs

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1. Audio channel: 2.1 channel2. Bluetooth version: 5.03. Audio input: Bluetooth+AUX+U disk+USB sound card4. Audio output: Left and right channel + subwoofer + 3.5mm interface stereo output5. Volume adjustment: Encoder knob adjustment, smooth feel6. Frequency range: 20Hz-30KHz7. Signal to noise ratio: 92dB8. Output power: 50W x 2 (left and right channels) + 100W (subwoofer)9. Left and right channel speakers: 10-100W /4-8 ohm10. Subwoofer: 20-200W /4-8 ohm11. Protection mechanism: Static electricity, overcurrent, overheating and short circuit protection12. Adapter power supply: Above DC 5-26V/10A13. Function: Support Sinilink APP control14. Size: About 9.5 x 8.8 x 2.5cm15. Weight: About 156gPacking list:1. Upper cover x 12. Bare board x 13. Lower cover x 14. Knob cap x 65. M2x4+3 copper pillar x 46. M2x3 screw x 87. M2x18 copper pillar x 48. Heat sink x 19. Thermally conductive silicone paste x 1Specification: Package Weight One Package Weight 0.20kgs / 0.44lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 30cm * 50cm * 56.7cm / 11.81inch * 19.69inch * 22.32inch Loading Container 20GP: 313 cartons * 100 pcs = 31300 pcs40HQ: 727 cartons * 100 pcs = 72700 pcs

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1. Input: 9V-36V2. Output: 5V / 3A (MAX)3. Efficiency: 92% (MAX)4. Switching frequency: 150KHZ5. Operating temperature: -40 degree C - + 85 degree C 6. Load capacity: Maximum output 3A (at the same time with two mobile phones)7. Application: mobile power, mobile phones, flat-panel USB5V powered devices8. Model: LDTR-WG02579. Material: PCB + Electronic Components10. Weight: 27g 11. Size: 7cm x 2.2cm x 2.5cm12. Package included: 1 x DC Power ModuleSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 12cm * 8cm * 2cm / 4.72inch * 3.15inch * 0.79inch Qty per Carton 500 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 500 pcs = 138500 pcs40HQ: 644 cartons * 500 pcs = 322000 pcs

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1. Quick heat dissipation, durable 2. Transmits HDMI video and audio signals up to 120m over a single high quality CAT5e/CAT6 cable 3. Support video resolution up to 1920*1080@60Hz, 3D signal 4. Support copy EDID, can match many kinds of display device 5. Support IR signal transmission 6. Support HDMI 1.3, HDCP 1.2 7. High compatibility, can auto-match source and display device 8. Built-in automatic adjustment system, make the image smooth, clear and stable 9. Built-in ESD protection system 10. Simple to install, plug and play 11. IR interface: 3.5mm earphone seat 12. IR signal type: Digital 13. IR frequency: 20k-56kHz 14. 1080P audio and video lossless synchronization on the same screen, with audio port pass-through audio functionSpecification: Package Weight One Package Weight 0.77kgs / 1.70lb One Package Size 20cm * 12cm * 6cm / 7.87inch * 4.72inch * 2.36inch Qty per Carton 30 Carton Weight 24.00kgs / 52.91lb Carton Size 42cm * 38cm * 34cm / 16.54inch * 14.96inch * 13.39inch Loading Container 20GP: 491 cartons * 30 pcs = 14730 pcs40HQ: 1140 cartons * 30 pcs = 34200 pcs

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1. Projection technology: LCD2. Resolution: 320x2403. Brightness: 80 lumens4. Power: 20W5. Supported resolution: 1920x10806. Ratio: 500:17. Working voltage: 5V/2A8. Picture size: 15-100 inches9. Delivery distance: 0.5-3m10. Aspect ratio: 4:311. Input interface: USB/12Vin/5Vin/infrared/headphone12. Output interface: 3.5mm headphone13. Accessories: user manual, remote control, adapter14. Function: Support Miracast/Airplay/DLNA, etc.15. Support wired & wireless same screen function16. Support Android & Apple system17. Uses: home theater, entertainment, early education, video conferencing, online teaching18. Small size, easy to carry19. Mobile phone screen: support mobile phone data line to screen20. With this mini projector, children can stay away from mobile phones and other electronic products, ideal for playing games, watching videos, listening to music, learningSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 15cm * 7cm / 8.27inch * 5.91inch * 2.76inch Qty per Carton 30 Carton Weight 16.00kgs / 35.27lb Carton Size 44cm * 47cm * 37cm / 17.32inch * 18.5inch * 14.57inch Loading Container 20GP: 348 cartons * 30 pcs = 10440 pcs40HQ: 809 cartons * 30 pcs = 24270 pcs

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