HAMTOD S61 True Wireless Stereo Wireless Bluetooth Earphone(Black)

1. Bluetooth solution: JL 6973D2. Bluetooth version: V5.13. Bluetooth profile: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP4. Working frequency: 2.402GHz – 2.480GHz5. Sensitivity: -90dBm6. Bluetooth range: >=10m (indoor barrier free)7. Max headset power: 11mW8. SNR: >=102dB9. Frequency response: 20Hz-20KHz10. Speaker type: 13mm 32ohm11. Headphone battery: 3.7V/32mAh x212. Music time: about 5 hours (80% volume)13. Talk time: about 4 hours (80% volume)14. Charging time: about 2 hours15. Charging case battery: 320mAh/3.7V16. Charging input: DC5V 320mA17. Charging time of charging box: about 2 hours18. Control mode: capacitive touch control