1. Bluetooth V5.0 chip, 10m transmission distance.
2. Compact and lightweight, easy to carry.
3. Bluetooth protocol: A2DP/AVCTP/AVDTP/AVRCP/HFP/SPP/SMP
4. Frequency range: 2402MHz-2480MHz
5. Response range: 20Hz-20kHz
6. SNR: >=92dB
7. Sensitivity: 98dB
8. Impedance: 32ohms
9. Transmission power: Class 2
10. Headphone battery capacity: 50mAh
11. Charging time: about 1 hour
12. Standby time: 10-15 days
13. Talk time: 4-7 hours
14. Music time: 3-4 hours

Package Include:
- Wireless earphones x 1 pair
- Charging case x 1
- Charging cable x 1
- User manual x 1
- Ear pads x 2 pair