... perfectly, easy to connect to your computer, MP3, MP4, mobile phones, iphone, PSP, CD;7. Backlight function can be ... clock: display month, date and clock, automatically corresponds to the Gregorian calendar, lunar calendar, the week;9. With recording function..Battery,2000mAHProduction ... :High capacity lithium ion batteryWaterproof jacketRechargerBeautiful gift box TOP selling!! computer speaker