Features: To charge the handle with the existing wireless charging system. When charging the handle, in order to provide sufficient current, the wireless charging power needs to be 5W to 15W. Place the device on the wireless charger. When the device is charged successfully, the LED indicator of the receiver will be red; the LED indicator of the handle will be orange. The receiver has an optimized circuit to improve the charging speed and fully charge the battery in a short for time. The receiver is equipped with overcurrent, overvoltage, overcharge and short circuit for protection. Specifications: Output: 5w-15w Package Includes: 1xWireless charging receiver note: Required wireless charging specifications (wireless charging is not included in this package) Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.