1. Bluetooth version: Jerry 5.3
2. Support agreement: A2DP, AVCTP and AVDTP, AVRCP, HFP, SPP, SMP, AT&T, GAP, GATT, RFCOMM, SDP, L2CAP
3. Operating distance :10 meters
4. Frequency range: 2.402-2.480 GHz
5. Horn size :40mm
6. Impedance :32Ω
7. Frequency response :20Hz-20KHz
8.ANC amplitude :27+/-3dB
9. Frequency range :100-1000Hz
10. Rechargeable lithium battery :400mAh
11.ANC music playing time :8-10 hours
12. Music playback time :15 hours
13. Charging time :2h