MANN ZUG S Gray Waterproof Rugged IP67 Phone Waterproof Standard IP67 Expandable memory: Micro SD (TF) up to 16GB Removable battery capacity 2570mAh Frequency: 2G, GSM / GPRS 850/900/1800/1900 MHz; Camera: 2.0MP camera; Charger: Input: 100 -240V, 200mA , 50 -60HZ, Output : 5V, 500mA