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/45mAh.
6. Input voltage: 5V
5. Charging time: 40-50 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(2pcs) x 1
2. Charging case x 1
3. Charging cable x 1
4. Instruction x 1