Aerb waterproof MP3 players will be absolutely the coolest gadget to music your sports; you will have a whole new level experience with our mp3 player. Be noted this player doesn"t support shuffle and iTunes sync (you have to covert iTunes to mp3 or wma format songs). Specifications: IPX-8 waterproof, to a depth of 3 meters Built in 4GB flash memory Friendly clip attaching easily to your goggles, collar and waist belt MP3 Bit Rate From 8K bps~320K bps WMA Bit Rate From 5K bps~320K bps USB2.0 High Speed Interface, compatible with USB1.1 Dimension: 86.7(L)*30.5(W)*16(D) mm Package Includes: 1*MD190 Waterproof MP3 Player 1*English User Guide 1*Waterproof Earphones 1*USB Cable