XTRAINERZ HEADPHONES Color:BLACK Measure circumference just below patella

Measure circumference just below patella (knee cap)

EQ presets boost bass and reduce vibration on the go

Scrub cap distributes cleaner and lift stains

Soothes tired feet and sore arches

65% polyester/35% ring-spun cotton

XTRAINERZ HEADPHONES Color:BLACK Measure circumference just below patellaOur first wireless MP3 swimming headphones. A 4GB memory stores up to 1,200 songs, allowing you to listen for up to 8 hours; no wires, no devices, no limits. (Not Bluetooth compatible) Open Ear Listening : With nothing inside or over your ears, enjoy bud free, pain free listening with headphones that stay in place. 4GB of MP3 Storage : Powered for any playlist. Built in storage allows for a library of up to 1,200 songs ready to play at the touch of a