1. Bluetooth V5.0 chip with faster transmission speed and longer transmission distance.
2. Compact and lightweight easy to carry.
3. Earphones battery capacity: 3.7V/60mAh.
4. Input voltage: 5V
5. Earphones charging time: 40 minutes
6. Talking time: 2-3 hours
7. Support protocol: HSP/HFP/A2DP/AVRCP
8. Sensitivity: 120+/-5dB
9. Frequency response: 20-20kHz
10. Impedance: 32 ohms

Package Include
1. Wireless earphones x 1
2. Charging case x 1
3. Charging cable x 1
4. Instruction x 1
5. Protective case x 1
6. Hook x 1