Transmission range: 15 meters

Function: battery display, voice control, call function, music support, NFC function, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
Usage: neck hanging
Single or dual ear: bilateral stereo
Applicable gift-giving occasions: opening ceremony, employee benefits, anniversary celebrations, awards commemorations, trade fairs, advertising promotions, festivals, weddings, housewarming, public relations planning, birthdays, business gifts