Operating system  Windows Mobile™ 2003 software for Pocket PC Phone Edition Processor  Intel® PXA255 400 MHz Processor Memory  32 MB Flash RAM, 64 MB SDRAM Display 3.5”,240x320,color transflective TFT LCD,65,536 colors,back light Dimensions （LxWxH） 131 x 78 x 21 mm Weight 200 g Communications IEEE 802 Part 11b(802.11b) 2.412-2.484 GHz 1,2,5.5,11 Mbps Bluetooth™ (optional) Expandability SD card slot Interface/Audio Built-in microphone and speaker, 2.5mm stereo mini headset jack Interface/Data IrDA (115 KB/s), USB sync, USB host (via cradle) Ergonomic design Touch screen for stylus or fingertip, five-way direction button, power button, 4 quick application buttons, record button, volume up/down Battery 1440 mAh Li-Ion, rechargeable, replaceable Software (pre-loaded*) Pocket Outlook®（Calendar, Tasks, Contacts and Inbox）, MSN® Messenger, Pocket Internet Explorer, Microsoft® Transcriber, Pocket Word, Pocket Excel, Microsoft® Windows Media™ Player 9, Microsoft Reader, Picture, Terminal Services Client, , Notes Taker, Voice Recorder, ActiveSync® 3.7, Calculator, Game（Solitaire, Jawbreaker）, Phone Application (*depends on region) Barcode reader Laser diode Wave Length: 650 ±10(25°C) mm Scan Speed: 100 ±20 sec Scan Angle: 54 ±5 deg Read Rate: >95% Codabar; Code 39; Code 93; Industrial 2 of 5; Interleaved 2 of 5; Italian Pharmaceutical; Tri-optics; Matrix 2 of 5; MSI/Plessy; UK Plessy; S-Code; Telepen; UPC-E&A