Photo 1 of Bone Conduction Headphones, Open Ear Headphones Sports Wireless Earphones, Bluetooth Headphones with Built-in Mic,Up to 8 Hours Playtime,Waterproof Earphones for Running Cycling Workouts(Black). OPEN BOX. PRIOR USE.

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Photo 1 of Bone Conduction Headphones, Open Ear Headphones Sports Wireless Earphones, Bluetooth Headphones with Built-in Mic,Up to 8 Hours Playtime,Waterproof Earphones for Running Cycling Workouts(Black). OPEN BOX. PRIOR USE. Photo 2 of Bone Conduction Headphones, Open Ear Headphones Sports Wireless Earphones, Bluetooth Headphones with Built-in Mic,Up to 8 Hours Playtime,Waterproof Earphones for Running Cycling Workouts(Black). OPEN BOX. PRIOR USE. Photo 3 of Bone Conduction Headphones, Open Ear Headphones Sports Wireless Earphones, Bluetooth Headphones with Built-in Mic,Up to 8 Hours Playtime,Waterproof Earphones for Running Cycling Workouts(Black). OPEN BOX. PRIOR USE.