Package Contents: Blackberry 9900, Lithium Ion Battery (JM1), Wall Charger, USB Cable, Wired Headset, Carrying Case, CD Software & User Manual. * JM1 Battery 1230mAh * Unlocked Quad-Band GSM cell phone compatible with 2G Network 850/900/1800/1900 MHz frequencies and 3G bands are HSDPA 850 / 1900 / 2100 or HSDPA 900 / 1700 / 2100, depending on the cell phone version. Please check seller condition notes for version. * Factory Unlocked and will never re-lock itself * This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported.