Phase 3000 mAh wireless power bank. This 3.000 mAh wireless power bank is a wireless charger composed of a 3.000 mAh power bank. Simply place your smartphone on the wireless charging symbol to start charging. Smartphones can also be charged via the USB port. Only works with phone models that support wireless charging. An external wireless charging receiver or receiver case is required for charging an iPhone model with wireless technology older than the iPhone 8. . ABS Plastic.