Product Overview
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