Input voltage: 5V 1.5-2A Transmitting power: 5W -10W Output current: 5V500mAh-1000mAh Transmission distance: 2-8mm Charging efficiency: 73% Working frequency: 100-150KH Charging power: up to 5W Notice: 1. Over-temperature protection: When the temperature is higher than 60° when charging, it will automatically stop charging for 1 minute, and then recharge after the temperature drops. 2. Overcurrent protection: When the output current is greater than 1.5A when charging, it will automatically stop charging to prevent damage to the charger.