For Samsung R460 MyShot II / Exclaim M550 / R470 TwoStep / Highnote M630 / Rant M540 / M320 / M220 Travel Home AC Wall Charger Simply plug one end into the wall, the other end into the phone and it will recharge and condition your battery. Plug never heats or overcharges the battery. Portable, lightweight, stylish, easy to store. Perfect accessory for traveling. Smart I/C Chip technology prevents your phone and battery against overcharging. Phone can still be used during charging.