The Dual Wireless Powerbank is designed to wirelessly charge two devices at the same time. The powerbank is ideal for while traveling. Its 9000mAh capacity allows you to recharge your phone up to 4 times. The powerbank itself can be recharged wirelessly on any Qi wireless charger.Its anti-slip nish provides extra grip. The two built-in USB-A ports allow charging of two additional devices. Simply place your devices on top of the powerbank and charging starts automatically.