Material Description: Plastic + Aluminum Alloy Frame. Product Size: Diameter 3.9". Design Area: Single-sided printing. Printing Technique: UV Printing. Product Performance: It can be charged at any time, and the phone will not slip when it vibrates. It has a 10W charging power and high efficiency. It can be charged at full speed even with a phone case. It is small and light, very suitable for carrying around. It has a built-in MCU and charging management IC chip, with multiple protections such as over-current, over-voltage, over-temperature, and short-circuit, for safe charging. Applicable Scenario: Applicable to mobile phones with wireless charging function. Charging Time: The charging time for different mobile phone models varies, and it is generally expected to be fully charged in 2.5 hours. Washing Instructions: It is recommended to wipe and clean it regularly and keep it dry. Warm Reminder: Due to variations in production batches, machinery and equipment, there may be small color, position and/or size differences. These can be difficult to avoid and are considered normal phenomena, and will not be considered as cause for after-sales. Thank you for understanding the intricacies of the printing process. Package Includes: A custom wireless charger comes with a data cable. Size Diameter(in) One Size 3.9