F5 wireless bluetooth headset with card

Transmission range: 10 meters
Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 4.0
Channel: Stereo
How to use: Hanging ear
Applicable gift-giving occasions: wedding, birthday, holiday, housewarming, trade fair, advertising promotion, employee benefits, anniversary celebration, business gifts, opening ceremony, award commemoration, public relations planningTransmission range: 10 meters

Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 4.0
Channel: Stereo
How to use: Hanging ear
Applicable gift-giving occasions: wedding, birthday, holiday, housewarming, trade fair, advertising promotion, employee benefits, anniversary celebration, business gifts, opening ceremony, award commemoration, public relations planning