Transmission range: 10 meters
Functions: power display, call function, NFC function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: Earplug
Applicable gift-giving occasions: wedding, birthday, holiday, housewarming, trade fair, advertising promotion, employee benefits, anniversary celebration, business gift, opening ceremony, award commemoration, public relations planning