2-in-1 RFID WALLET & phone CHARGER! Hard case aluminum wallet does double duty as an identity-theft deterrent and power pack/charger for cell phones and other devices. Charge it by connecting to any USB power source with the included USB cord. Then connect the wallet to your electronic device to power it up at any time, any place! Built-in 2200 mAh capacity. Wallet has 5 card slots for cards, ID and cash.