Product Details  MP3 Watch/Digital MP3 watch/Mini mp3 player watch 1.5-equalizer modes Music player. 2.Music And Sound Playback;  MP3 Watch/Digital MP3 watch/Mini mp3 player watchMP3 Watch/Digital MP3 watch/Mini mp3 player watch;MP3 Watch/Digital MP3 watch/Mini mp3 player watch Functions : 1.5-equalizer modes Music player. 2.Music And Sound Playback 3.High Fidelity Hound Recorder 4.U-disk 5.shock and water proof quartz watch MP3 Support format: MP3/WMA/WAV Specifications: Japan citizen MIYOTA 2035 Bite rate: 32kbps-256kbps Temperature: -20C+70C; Output frequency rate: 20Hz~20KHz Earphone output: 5MW+5MW Port: USB2.0 Operating platform: Windows98/2000/xp/me/nt Mac OS 8.6 or higher Battery pressure: 3.7V Charge pressure: 5.1V More than 9hours continue playing. Charge time: 1.5hours  Accessories: Earphone Wall AC - to - USB Charger Mini CD with Drivers and Software User Manual(Chinese or English Language)