Polaroid Link A2 Flip Phone 2G GSM Unlocked Dual Sim Bluetooth Radio FM Mp3 Player, Black (Worry-Free 12-Month Warranty Included) Phone Does Not Work On at&t Cricket LCD 1.8" Dual Sim GSM 850/900/1800/1900 Mhz (Not CDMA Carriers Verizon Sprint Boost Mobile and others) Compatible with SIM cards from all major GSM networks including Metro PCS, T-Mobile, and many others, even international GSM. Great for traveling abroad - just insert the local GSM SIM card and use in any county (most countries have a GSM carrier). Supports voice calls and texting. Built-in FM radio and MP3 music player. Micro SD slot. Rear VGA camera. Color Display. Speaker. Headphones. Rechargeable. Bluetooth. Dual SIM.