Bluetooth headset 5.0

Transmission range: 10 meters
Function: battery display, call function, support music
Bluetooth protocol: 5.0
Channel: stereo
How to use: Head-mounted
Single or dual ear: bilateral stereo
Applicable gift-giving occasions: opening ceremony, anniversary celebration, award commemorative, advertising promotion, festival, trade fair, wedding, housewarming, public relations planning, birthday, business gift