The Belkin BoostCharge USB-C 10K Power Bank is a portable charger that provides up to 40 hours of extra battery life to your smartphone. It has a 10,000mAh capacity and can charge two devices simultaneously. The USB-C port supports fast charging, while the USB-A port is ideal for slower charging needs. IN THE BOX: Power Bank 10K, USB-A to USB-C cable PRODUCT SPECIFICATIONS: Manufacturer: Belkin Total power: 15W Battery capacity: 10,000 mAh