MOXOM Neckband MX-WL51
Wireless Version : V5.0
Range : 10M
Frequency : 2402MHz-2408MHz
Sensitivity : 105+-3db AT 1K Hz
Frequency response : 20Hz-20KHz
Speaker diameter : 10mm, Deep Bass Impedance : 16+-20%ohm
Battery capacity : 200mAh With IC Protection
Music Play time : 15 hours
Charging time : 2 hours
Wearing method : Hanging neck in ear