Aftershokz XTRAINERZ MP3 Wireless Swimming Headphones Black Diamond

Take open-ear listening to new depths. Xtrainerz are fully waterproof and submersible so you can swim, run, cycle, and train harder than ever before with open-ear headphones that can withstand all elements. Our open-ear design powered by bone conduction technology ensures bud-free, comfortable listening all day, in or out of the water. Internal music storage allows for a library of up to 1,200 songs ready to play at the touch of a button. Supports MP3, WAV, WMA, AAC, and FLAC for device-free listening. Not Bluetooth compatible.