Power Bank Mobile Phone Charger RFID Credit Card Holder Card Case Aluminium Wallet

1. Power bank function (can charge iphone about 1time, save your pack space), with 1800mah polymer lithium battery.
2. Card wallet function: 
1)Blocks RFID 
2)Materials: Aluminum and ABS plastic
3)Color:silver/black/red/blue/gold
4)With 5 Interior Sleeves
5)Can hold 7-8pcs card 
6)Slim and Compact Design 
7)Waterproof
8)Click button opening and closing