Transmission range :10 m
Features: power display, voice control, call function, music support, multi-point connection,NFC function
Bluetooth protocol: 5.0
Channel: stereo
Usage: earplug type
Whether single or double ears: double stereo
Suitable for gift-giving occasions: opening ceremony, employee welfare, award commemoration, anniversary celebration, trade fair, festival, advertising promotion, housewarming, public relations planning, wedding, birthday, business gift
Color: silver, black, tuhao gold, rose gold, space gray