Transmission range: 10-30 meters
Function: battery display, call function, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
How to use: head-mounted
Applicable gift-giving occasions: opening ceremony, employee benefits, awards commemoration, anniversary celebrations, trade fairs, festivals, advertising promotions, housewarming, public relations planning, weddings, birthdays, business gifts

Packing list: 1x earphone; 1x USB data cable for charging; 1x manual; 1x audio cable; 1x packing box