Photo 1 of Bone conduction, air conduction, in-ear, 3-in-1 headphones. New Technology Patent Ultralight IPX8-Waterproof Swimming Headphones-Bluetooth 5.3 with Mic - MP3 Play Built-in 32G Memory With Case Grey-white

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Photo 1 of Bone conduction, air conduction, in-ear, 3-in-1 headphones. New Technology Patent Ultralight IPX8-Waterproof Swimming Headphones-Bluetooth 5.3 with Mic - MP3 Play Built-in 32G Memory With Case Grey-whitePhoto 2 of Bone conduction, air conduction, in-ear, 3-in-1 headphones. New Technology Patent Ultralight IPX8-Waterproof Swimming Headphones-Bluetooth 5.3 with Mic - MP3 Play Built-in 32G Memory With Case Grey-whitePhoto 3 of Bone conduction, air conduction, in-ear, 3-in-1 headphones. New Technology Patent Ultralight IPX8-Waterproof Swimming Headphones-Bluetooth 5.3 with Mic - MP3 Play Built-in 32G Memory With Case Grey-white