The compact and durable Zebra WS50 android wearable mobile computer can be worn around your wrist, the back of your hand or two fingers, depending on your use scenario. This all-in-one device combines data recognition and data use and hence fulfils the same functions as a normal large mobile computer. Scan engine: SE4770 Battery: 1300 mAh Accessories (sold separately): Charging base, AC adapter, snap-on USB adapter (optional)