Unlocked S5820 3.5inch Capacitive Touch Screen Android2.3.6 Dual Sim Quad Band Smart PhoneBasic Information Model S5830 Band GSM 850/900/1800/1900MHz Sim Card Dual Sim Card Dual Standby Service Provide Unlocked Style Bar Color Black Shell Material Plastic System OS Android 2.3.6 CPU MTK6515, 1.0GHz ROM 256MB RAM 256MB Screen Display Size 3.5 Inch Type TFT, capacitive touch screen Resolution 480 x 320 pixels Screen Color 260K Colors Support Format Ringtones Type Polyphonic/MP3 Audio File Format MP3/WAV/AMR/AWB Video File Format 3GP/MPEG4 Image File Format JPEG/BMP/GIF/PNG/GIF E-book Format TXT/CHM/DOC/HTML FM Radio Yes, earphone needed Earphone Port 3.5mm Card Extend Support TF card up to 16GB extended Data Transfer & Connectivity Data transfer USB/Bluetooth Mobile internet WAP/WIFI General Camera/Picture Resolution Dual Cameras, front camera: 0.3MP, back camera: 3.0MPwith flashlight Language English, Arabic, French, Vietnamese, Russian, Thai,Simplified/ Traditional Chinese Phonebook 500 Message SMS/MMS Input Handwrite/Keypad TV No GPS No JAVA No WIFI Yes, 802.11 b/g/n Bluetooth Bluetooth 2.0 Gravity Sensor Yes Multi-Touch Yes, 4 point touch Dimensions 116 x 61 x 11mm Net Weight(Including battery) 130g Other Feature WIFI, Bluetooth, FM radio, Ebook, Email, Messaging, VPN Services,Google search, QQ, QQ Security, wallpapers, calendar, calculator,clock, camera, tethering & portable hotspot, etc Package Size 131 x 78 x 52mm Weight 325g Accessories 2 x Battery 1 x 3.5mm Earphone 1 x Data Cable 1 x Charger