Transmission range: 10 meters
Function: Power display, call function, NFC function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
Usage: hanging ear type
Single or dual 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
Color: 258 digital display black, 258 digital display white