Treo 750 GSM-Unlocked Unlocked for use with your existing GSM 850/900/1800/1900 MHz or 3G HSDPA 850/1900/2100 Mhz service provider and SIM card. Note: This phone does not come with service or a SIM card. Stereo Bluetooth technology lets you talk and listen to music hands and wire free. 1.3 MegaPixel Camera With video capability. MiniSD expansion slot , up to 2GB, buy memory - 60 MB built-in user available memory - Samsung 300 MHz processor Dimensions: 4.37&quot; x 2.28&quot; x 0.87&quot; (111 x 58 x 22.1 mm) Weight: 5.4 oz (153 g)