Description
Product information:
Bluetooth version: V5.2
 Battery capacity: 400mA
 Transmission Distance: 10 meters
 Product impedance: 4000
 Sensitivity (microphone):-38dbv/pa
 Charging time: about 1 hour (it is better to charge for the first time than 1 hour)
 Overcharge Protection: 0.1 * 250mA = 25mA
 Undervoltage protection: Vin = 4.4V
 Operating temperature/storage temperature:-20°C to 70°C
Packing list:
Bluetooth Headset*1 Set
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Product ID: 509473 In stock: 639  30 Views 
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