Product specification:
Product Model:tws-8
Color: black ,White ,Red
Talk time: about 4-6 hours
Charging time: about 1-2 hours
Charger battery capacity: 250mAH*2=500mAh
Charging times:about 5 times
Bluetooth version:V5.0
Support Agreement: HSP/HFP/A2DP/AVRCP
Sensitivity: 120±5dB
Audio range: 20-20000Hz  
Package includes: 1 x headset