Transmission range: 10 meters
Function: battery display, voice control, call function, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: Earbuds
Whether single or double ears: bilateral stereo

Applicable gifts occasions: opening ceremony, employee benefits, anniversary celebrations, awards commemoration, trade fairs, advertising promotions, festivals, weddings, public relations planning, housewarming, birthday, business gifts

Can be used for about 4 hours after fully charged