Transmission range: 10 meters! Features: Call function, voice control, support music! Bluetooth Protocol: 5.0! Sound track: stereo! Usage: earplug type! With or without one or both ears: bilateral stereo! Suitable for present occasion: birthday, advertising promotion, anniversary celebration! Mold type: private mold! Battery life: 4 (hours)! Color: black.White!.syi
Transmission range: 10 meters! Features: Call function, voice control, support music! Bluetooth Protocol: 5.0! Sound track: stereo! Usage: earplug type! With or without one or both ears: bilateral stereo! Suitable for present occasion: birthday, advertising promotion, anniversary celebration! Mold type: private mold! Battery life: 4 (hours)! Color: black.White!.syi
