Wireless bluetooth headset

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