Transmission range: 15 meters
Function: battery display, call function, voice control, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
Usage: hanging ear type
Whether single or double ear: bilateral stereo
Applicable gift-giving occasions: weddings, birthdays, holidays, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemoratives, public relations planning
