B-READY Ipx8 waterproof swimming sport Bluetooth

Transmission range: 10M
Functions: power display, call function, music support
Bluetooth protocol: 5.0
Channel: mono
Usage: ear hanging type
Whether one ear or two ears: unilateral handsfree
Suitable for gift giving occasions: birthday, festival, trade fair, advertising promotion, employee welfare, business gift, award ceremony
Color: red, black, blue, yellow