Feature: 1. High Efficiency: Our charging coil is a kind of efficient wireless charging coils, wireless output, high conversion rate, time saving and power saving. 2. Simple Operation: Adopts universal USB interface, plug and play which is easy to use, so that there is no need for a special cable for daily use. 3. Protective Function: Support over voltage, over current, over temperature protection, when the overload will stop charging, keeping your electronics safe. 4. Wide Application: Has a wide range of applications, suitable to be used for DIY wireless charging desktop, custom housing, car mount charging tools, and more. 5. PCB Material: Made of high quality PCB material with high strength and wear resistance, having good performance for long service life. Specification: Item Type: Wireless Charging Module Material: PCB Color: As Picture Shown Application: for DIY Wireless Charging Tool Gross Weight: Approx.27g/1.0oz Interface: Micro USB Input: 5-9V/2A Output: 5-9V/1.3 A Power: 10W Operating Frequency: 110-205KHZ Wireless Charging Conversion Efficiency: 75% Compatible QI Standard: WPC1.1 Package List: 1 x Wireless Charging Module