... , tri-band watch phone, memory card expansion, health management, calculator, unit conversion, E-book reader, currency conver,memorandum, world time, notepad......13.Language ... × H ) 60*45*16 MMBATTERY Lithium Batteries800mA COLORBlack,YellowSTANDBY TIME About 100-120HoursTALKING TIME About 2-3Hours World Smallest Phone Watch With Bluetooth Mp3