Product Specifications:
Product Name: TWS Bluetooth Headset
Bluetooth version: 5. 0
Power input : DC 5V
Headset Battery capacity: 3.7V/ 70mAh
Call/Play time:about 5 hours
Charge box battery capacity 3. 7V/ 600mAh
Support agreement: HSP/HFP/A2DP/AVRCP
Sensitivity:103+3dB
Frequency response range:20Hz-20KHz

Package Content:
2 x Bluetooth Earbuds
1 x Charging Box
1 x Charging Cable
1 x User Manual
2 x Ear Caps