The Hoco J137 iWatch Pocket Power Bank is a compact and lightweight charger designed specifically for Apple Watch users. With a 2500mAh capacity, it can charge an Apple Watch up to 35 times on a single charge. It features a magnetic wireless charging puck for secure and fast charging, typically completing a full charge cycle in about two hours. The device includes a USB-C input/output (5V/1A) for added versatility and a digital LED display to show the remaining battery level. Built with a flame-retardant ABS housing and multiple safety protections, the Hoco J137 ensures reliable and safe performance in a pocket-sized form.