Transmission range: 15 m
Functions: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 5.1
Channel: Stereo sound
Usage: Earplug type
Mono - binaural; Bilateral stereo sound
Suitable for gift occasions: wedding, birthday, festival, housewarming, trade fair, advertising promotion, staff welfare, anniversary celebration, business gifts, opening ceremony, award commemoration, public relations planning
Color: white, skin tone, black, blue, pink