Bluetooth Protocol: 5.0
Channel: Stereo sound

Headphone capacity: 50mah
Earring size: 65*65*35mm

Usage: Earplug type
Single and binaural: two sided stereo
Suitable for gift occasions: wedding, birthday, festival, housewarming, trade fair, advertising promotion, staff welfare, anniversary celebration, business gifts, opening ceremony, award commemoration, public relations planning
Color: fiery red, cool black, cherry pink, pearl white