1. Dual sim cards work on the same time 2.Dual Bluetooth 2.0 3. Hand writing & key input 4. 3.5inch screen 5. Dual cameras Features 1. 3.5inch screen , 260k QVGA ; PX: 240*320 3. T-Flash Card Suphporting,256 TF for free 4 1.3 Mega pixel camera for Picture & Video capability,put out biggest size is 1280*960 5. Stereo Loud speaker, 64 chord ring tone 6. MP3 & MP4 player 7. GPRS & WAP connectivity, MMS Transceiver 8. U disk support function to keep the information storage 9. black list 10. Bluetooth 2.0 11.dual sim card work on the same time . 12.calendar,To do list,Alarm,World Clock,Spotwatch 13.caller picture,caller Ring Tone,Caller Video 14. Telephone directories: 300 groups of contacts of carte de visit, support incoming call with big head sticker,group ring an Messages &Multimedia messaging: 200 SMS, support MMS; can use downloaded MP3 as SMS rings 15. Schedule power on/off: support to start/close under set time 16. Alarm clock: 5 groups, support alarm clock when machine's closed, can set from Monday to Sunday 17. Games: 3 built-in common games 18. More information: MP3, MP4, Handsfree, SMS group sending, Voice recorder, WAP, Handwritten + keyboard input, Bluetooth, GPRS download, MMS, Memory extended, Coming call firewall, IP dialing, self-designed ringtones, photo editor, alarm clock, calculator, notepad, health management ..... Specifications DESIGNATION SPECIFICATION Network GSM900 / 1800 SIZE ( L ?W ?H ) 115*63*17.5(Unit: mm) BATTERY Lithium Batteries2200mA COLOR Silver STANDBY TIME About 60-180 Hours TALKING TIME About 3-5 Hours