Asus Zenfone 2 Laser ZE601KL 6.0" Dual Sim 13MP 3GB RAM 32GB 4G Smartphone - WW Global Version/No Warranty (Glacier Gray) OS : Android OS, v5.0 (Lollipop), planned upgrade to v6.0 (Marshmallow). Screen: 6.0 inches IPS LCD capacitive touchscreen, 16M colors, 32 GB, 3 GB RAM, microSD, up to 128 GB. Dual SIM (Micro-SIM, dual stand-by), 13 MP, 4128 x 3096 pixels, laser autofocus, dual-LED (dual tone) flash. Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in the US as this is the international model: GSM850, GSM900, GSM1800, GSM1900, UMTS800 (B6), UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1), UMTS800 (B19), LTE2100 (B1), LTE850 (B5), LTE1800 (B3), LTE1900 (B2), LTE800 (B18), LTE900 (B8), LTE800 (B6), LTE1700/1800 (B9), LTE800 (B19), LTE700 (B28) This device may not include a US warranty as some manufacturers do not honor warranties for international items Please contact the seller for specific warranty information. The box contains: Your new device, Earphones,USB cable, Charger (may be foreign) If so, a FREE US adapter will be included, Documentation.