Mighty Purse Original Genuine Leather Phone Charging Wristlet - Cream Cow Leather Phone Charging Wristlet with Rechargable Battery Pack - Built-in Micro USB Charging Cord - Removable Wrist Strap Genuine Shimmer Coated Cow Leather Rechargable Battery Pack - Can Recharge A Smartphone approximately 2-4 Times (4000mAh) with a single charge Built-in Micro USB Cord To Charge Your Smartphone* Credit Card Slots