Motile headset MP3 Player with MP3 Player, USB Flash Drive Music Format MP3 Paint: Alloy surface Playing time: continuously play music for about 600 minutes after fully charged. Equalizer Mode 5 different EQ Models: Jazz / Classic / Rock / POP / Normal PC Port USB high-speed transfer Rechargeable battery with USB port Battery charge current: About 140mA Weight: about 30g Four colors: red, orange, white, silver