W&M Telecommunication Co.,Ltd Windows voip/gsm phone, gsm wifi phone,wifi mobile phone support voip sip Model WM650 Product Features:
LCD:2.8" TFT touch screen, QVGA
Band:GSM/GPRS/EDGE 850/900/1800/1900MHz
CPU:intel920T PXA312 640MHz
OS:Windows Mobile® 6.1 Professional
ROM:ROM: 256 MB RAM: 128 MB
WiFi Profile: Suport IEEE 802.11b/g
VoIP function: Support standard SIP protocol
Voice Codec: G711a/u-law
Camera:2 Mega pixel,Shooting static and dynamic profile
Bluetooth ®2.0 connect EDR and wireless headphone A2DP
Extension Card:micro SD™ slot (SD 2.0 compatiable)
Stand-by / Talking-Time: Up to 270 hours /Up to 480 minutes (Depending on network and actual condition)
3 in 1 11-pin mini-USB 2.0 port
Built-in microphone
Ringtone format: MP3, AAC, AAC+, eAAC+, WMA, WAV, AMR-NB, AMR-WB and QCP, 40 chord and standard MIDI format 0 and 1 (SMF)/SP MIDI
Dimension: 104.5mm (L) x 59mm (W) x 15.75mm (T)
Weight: 100g (battery included)
Battery: 1100mAh Li-ion battery
AC Charger: voltage range: 100-240V AC, 50/60Hz, DC output : 5V and 1A