Framework: Ultra-thin two ways slide with flex camera Device Dimension:103x53x18.9mm ,2.6" LCM 103x56.5x18.9mm,2.8" LCM 115 x 53 x 19.5mm,3.0" LCM(WQVGA) With flex camera will thicker 3mm for the device Battery capacity:1200mAh(2.4"&2.6" LCM)/1350mAh(2.8" LCM) 1000mAh(2.4"&2.6" LCM)/1150mAh(2.8" LCM),With flex camera,for reference Work Frequency: Support GSM900/DCS1800; PCS 1900(Opitional) Dual SIM Card: Support Dual SIM cards & dual standby GPRS :Support Class10 Main Screen: Support 2.6" /2.8" QVGA + TP, Compatible 3.0 WQVGA,LCM Compatible the 2nd LCMCamera: Main and vice camera with 0.3MP,Compatible flex camera Multi-Media format:MP3,MP4,3GP,MID,WAV TV: Analog TV Signal PAL&NTSC External memorizer: Support T Flash memory card USB Flash Disk: Support USB1.1 Loudspeaker: Dual loudspeakers D20 ( with vibrancy effect) ,D15 Pulsator: support Antenna: Built-in PIFA antenna Calling time:300mins Standby time:300hrs Earphone port:18PIN I/O Charge port:18PIN I/O Data Cable port:18PIN I/O Language: multi-language optional Phone Book: Calling card phone number, each one can corresponding three phone numbers, Can store over 500pcs, incoming call fire-wall Calling function: Multi-conversation, hold on online, calling holding, calling shift, restrict calling  Storage photo: support Video function: Support  MMS: support WAP browser: support STK increment service: Support  Ring tone Calling and Clock(Built-in 8 modes, download MP3, Recorder files); SMS 6 modes; key-press 2 modes; low power warning 1 mode, turn on/off one group. PC downloading tools: Support USB PC download content: Support picture/ring tone Via USB To-do it: Calendar, recorder, calculator, world time, clock, time turn on/off  Flashlight: support