Sanag Z51S PRO Ear Clip Headphones

luetooth solution:AD6973D4

Bluetooth version:V5.2

Speaker unit:Full-frequency speakerΦ10mm

Microphone MIC:Silicon Imi,-38dB+-1

Earphone battery capacity:50mAh*2 

Charging case capacity:400mAh

 Frequency response characteristics:20HZ~20kHZ 

Music time:about 7 H

Talk time:about 6 H

Charging time:about 2H