Eklasse EKBTEP16XM Mono Bluetooth Earphone White

Bluetooth version : V4.2+EDR ,Earphone battery: Polymer lithium battery 45mA ,User hours: 2 hours (up to) ,Standby Time: 96H ,Transmission Distance:10 M ,Earphones Charging Time: <2 hours,Sensitivity: -42db ,Impedance: 32Ω ,Frequency response: 20-20KHz, Fits in the right ear