1. Bluetooth solution: JL 6973D
2. Bluetooth version: V5.1
3. Bluetooth profile: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP
4. Working frequency: 2.402GHz – 2.480GHz
5. Sensitivity: -90dBm
6. Bluetooth range: >=10m (indoor barrier free)
7. Max headset power: 11mW
8. SNR: >=102dB
9. Frequency response: 20Hz-20KHz
10. Speaker type: 13mm 32ohm
11. Headphone battery: 3.7V/32mAh x2
12. Music time: about 5 hours (80% volume)
13. Talk time: about 4 hours (80% volume)
14. Charging time: about 2 hours
15. Charging case battery: 320mAh/3.7V
16. Charging input: DC5V 320mA
17. Charging time of charging box: about 2 hours
18. Control mode: capacitive touch control