Motorola Z9 Unlocked GSM RIZR 2 Phone With Camera, International Version With Warranty USB 2.0 full speed, Motorola Phone Tools Bands/Modes - 3G HSDPA 3.6 Mbps, WCDMA 850/1900, GSM 850/900/1800/1900 EDGE /GPRS class 10 Talk time - up to 3hrs. Standby time - up to 12 days Operating System - Synergy This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.