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With Microphone:Yes Plug Type:Wireless Wireless Type:bluetooth Connectors:None Sensitivity:123dB Waterproof:No Support Memory Card:No Volume Control:Yes Frequency Response Range:20-20000Hz Line Length:1.2m Is wireless:Yes Vocalism Principle:Dynamic Support APP:No Style:Ear Hook Control Button:Yes Plug Type :bluetooth Wireless Product introduction:Bluetooth version: 4.1Battery capacity: 65 mahCall time: 4-5 hoursStandby time: 180 hoursCharging time: 1.5 to 2 hoursBattery type: polymer lithium batteryLanguage tip: support English and Chinese switchingNoise reduction type: CVC6.0Function:Support music, call function, power display, multi-point connectionSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 10.5cm * 5cm * 5cm / 4.13inch * 1.97inch * 1.97inch Qty per Carton 278 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 278 pcs = 98690 pcs40HQ: 825 cartons * 278 pcs = 229350 pcs

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