85dB Output of earphones: 2 x 4mW Button Controls: Forward, Back, Play/Pause System is to support windows ME/2000XP/Vista Package Include: 1 x MP3 Player 1 x USB Cable 2 x Earplugs 1 x User Manual
Features:

Waterproof Desgin Sprot Earphone , You Can Wear It To Swimming, Running, Boating, Skiing etc

8GB Memory Mp3 player , Support Bluetooth , With FM Radio

USB rechargeable battery, it can work for 8 hours when fully charged

Compliant with international IPX8 water resistance standard,Easy operation and stable wear for swimming, running, boating, skiing etc

Adjustable Holder size at the Bottom: The holder in the bottom can be adjusted size comfortably for neck