Yiao International Trade Co., Ltd Web: watch mobile phone Frequency: GSM900/DCS1800/PCS1900 1.3 inch touch screen Bluetooth 1.2 (A2DP, stereo bluetooth) MP3, MP4 player 64 polyphonic; support format: MP3, MIDI, WAV, incoming ring tone, incoming photo, incoming movie WAP2.0 Access, SMS/EMS/MMS Network supported: GSM, GPRS, WAP, STK, bluetooth Currenct Languages: English and Chinese etc Bult-in 128M memory Battery: 700mAh Lithium battery (2 pcs) Standby time: up to 120 hours Talking time: up to 1.8 hours