Bluetooth version: 5.0 ,                                             bluetooth chipset:JL AC6936D                    Bluetooth Profile:HFP、A2DP、HID、AVRCP、AVCTP、AVDTP                        Bluetooth receiving distance:10m                     Inpout: 5v 1A / output: 5v 1A                      Frequency response:20-20000hz  impedance 32 Ω                                                Battery capacity: headset:35 mAh,charging box :350mAh                                                      Signal distance: 10 meters (in an ideal environment without anylarge obstacles)

Work time: about 4-6 hours

Standby time: about 3.5hours

Charging time: charge the charging box for about 1.5 hours, andcharge the charging box for about 1 hour.

Charging bin to charge the headset: about2.5 times