Moki 

MokiPods TWS Earphones achieve wireless stereo sound in separate left and right channels and HIFI sound.  With complete Bluetooth function, it can be used alone or in pairs and supports dual microphone calls.
Speaker Driver: 8mm
Sensitivity: 108dB
Impedance: 32
Frequency Response:   20Hz - 20kHz
Play time: 2.5 hours
Charge time: 1 Hour