Transmission range: 10 meters
Function: power display, call function, support for music, multi-point connection
Channel: stereo
Single or dual ear: bilateral stereo
parameter:
Bluetooth version: V5.0
Bluetooth protocol: A2DP1.3, AVRCP1.6, HFP1.7
Audio decoding: SBC, AAC
Speaker: 40mm, 32Ω
Bluetooth + noise reduction chip: Hengxuan BES2300Z
Wearing method: head-mounted (wrap ears)
ANC: FB, -25db
Bluetooth distance: 10M
Charging time: <2.5h
Battery capacity: 400mAh
Working current: ANC: 11mA, BT: 12mA, ANC+BT: 15mA
Power on and off: 1. When BT is turned off, ANC is turned on and off separately
2. Does not support ANC under 3.5 input
Audio input: BT, AUXIN
Music control: Vo1+/-, previous song, next song, playback pause

Call control: answer/reject/hang up