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Transmission range: 10 meters
Function: battery display, voice control, call function, support music
Bluetooth protocol: 4.1
Channel: Stereo
How to use : Neck-mounted
Whether single or double ears: bilateral stereo
Applicable gifts occasions: opening ceremony, employee benefits, anniversary celebrations, awards commemoration, trade fairs, advertising promotions, festivals, weddings, housewarming, public relations planning, birthdays, business gifts
