Transmission range; 10 meters
Function: battery display, call function, voice control, music support, multi-point connection, voice wake-up
Bluetooth protocol: 5.0
Channel: stereo
How to use: Earplug 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 commemoration, public relations planning
Color: M20 button, M20 touch