Polaroid A1BK Unlocked Phone Dual SIM GSM with FM Radio, Camera and Bluetooth - Retail Packaging - Black (Doesn't Work with at&T) Features - Supports voice calls and texting. Built-in FM radio and music player. Micro SD card slot. VGA rear camera. 1.8" color display. 800 mAh rechargeable battery. Bluetooth technology. 3.5mm headphones jack. Dual SIM support - Access 2 different phone numbers simultaneously. Use two different providers or plans for improved service or to cut costs, or take your phone with you when traveling abroad. Network compatibility - Compatible with SIM cards from all major GSM networks including T-Mobile (Doesn't Work With AT&T). Inside the box - 1.8" unlocked Polaroid GSM mobile phone. Removable Battery. Lightweight Charger. User guide. Why unlocked phones? Upgrade or replace broken devices without pricey contract. The flexibility of using any network and choosing the plan you want without any commitment.