Watch MP3 Player  MP3 support format: MP3, WMA and WAVJapan citizen MIYOTA 2035Bite rate: 32 to 256kbpsTemperature: -20 to 70 degreesOutput frequency rate: 20 to 20KHzEarphone output: 5 + 5mWPort: USB 2.0Operating platform: Windows 98, 2000, XP, ME, Mac OS 8.6 or higherBattery pressure: 3.7VCharge pressure: 5.1VMore than 9 hours continue playingCharge time: 1.5 hours

Watch MP3 Player with Earphone Output of 5 + 5mW