features:
*waterproof MP3player and earphone for swimming,spa,and water sports.
*high durability aluminum casing with anti-scratch finish.
*USB rechargeable battery
*USB plug and play
*stylish design with fluorescent holder to strap onto swimmer goggles.

Waterproof Rating: IPX7
memory :4GB
audio format:MP3,WMA
USB: 2.0
Systems: Win2000/ winME/win XP/Vista, Mac OS 8.6
power:
battery:1.5 hours charging time
build-in rechargeable Li-ion battery (charged via USB)

color:silver
Dimensions: 60*21* 21mm
net weight:25g
package weight:130g
package size:165*105* 37mm

package includes:
one MP3 player
one waterproof earphone
one USB cable (for track download and recharge)
one user's manual(please read it carefully before using!)
one goggle lock ring
one quick-drying cleaning tissue