Product Material: SUS304 Stainless SteelBattery: Lithium polymerBattery Capacity: 2000mAh(3.85v,7.7wh)Power Input: USB-C 5W (MAX) Power Output: USB-C 5W (MAX)Wireless Output: 5W (MAX)Dimensions: 64*92*6mmWeight: 94.5gCharging time: ≈2hours