Particularity: waterproof,never power off Size: 112.6*51.3*16.8mm Weight: 95g Standard voltage: 3.7V Battery: 1500mAh Standby: about 3~6 days Continuance talking time: about 3-5 hours GPRS: Support Dual CPU : Support Dual GSM Card: Support Dual standby: Support Dual Bluetooth: Support WAP: Support(card B don't support) Language: Multi-languages LCD screen: 260K col/2.6 inch/QVGA/touch screen Mute Key function: Support Speaker: Dual speakers/3D stereophonic systeam Camera: High-resolution/dual camera/network camera Input mode: Handwritting and board PDA Multimedia message/message: Support Ring tone: 64 channels/MP3 Voice recorded: Support Camera: Support FM radio: Support Digital transmission: USB Built-in memory: 197K Memory expansion: Support,free 256M T-FLASH memory card MP3/MP4: Support Email: Support E-book: Support Calendar/Alarm: Support Note/Stopwatch: Support Expansion function : Study function/Share information/Game