This Hyundai W100 phone wristwatch are using GSM 900/1800/1900MHz network systems. It has great modern design and it comes in several color. This wristwatch have 250 groups of phone books directories and it also support calling show, MP3 ring tone, messages and multimedia messaging (SMS / MMS). Some features of this phone wristwatch are : schedule power on/off, Auto power on and off , Alarm clock: Alarm clock when power off, Games, Unit Converter, rate exchange, MP3, MP4, Handsfree, SMS group sending, Memo, Voice recorder, WAP, Handwritten input, GPRS download, MMS, E-book, IP dialing, calendar, health manager, caculator and world clock. Specs : General : Talk time : About 100-180 minutes Standby time: 140-200 hours Available : 2007.10.04 Weight : 50G Language: English,Arabic,Simplified Chinese other languages depending on quantity Monitor : 1.3inch LCD, Features : bluetooth. Handwriting phones, support MP3, Mp4, watch phone LCD Size : 1.3 inch , , 260 thousand colo...