The double-function design allows you to use the product not only as a great and durable wallet, but also as a smart device charger. A rechargeable 680 mAh battery is housed in a panel and provides additional battery life to your smartphone, enough for 2 hours of constant talk. The wallet is made from soft cowhide and can hold up to 9 cards. Of course there’s a full-length bill compartment with a press stud. The device recharges within 30 minutes. Available for iPhone or Android.