Dolphin M66 Ear Clip Earphones Huaqiangbei New Wireless Bone Conduction Bluetooth Earphones Digital Display Noise Reduction 5.4

Bluetooth protocol: 5.4

Usage: Ear clip type

Whether single or dual ear: bilateral stereo

Battery life: 4-8 hours (hours)

Waterproof performance: waterproof for daily use

Material: PC+ABS