1. upgrade, support two batteries of AIR 2. The metal plug is not hot. 2. Support a variety of fast charging protocols, FCP AFC SCP Try., PD3.0 fast charging protocol. 3. Compatible with a variety of charging devices, , chargers, power , car chargers. Product Name: for 2/Air 2S USB Charger Input: 5V/9V/12V/15V--3A; 20V--5A Output: 12.6V/13.2V 3.0A (MAX) Charging time: (input PD40W or more) It takes about 75 minutes to charge a 12.6V/3750mAh battery, About 70 minutes to charge 13.2/3500mAh battery The charger automatically match the battery for charging. colour: black Material: plastic Size: 5.5x4.5xCM Package Contents: 1 x Drone USB Charger 1 x USB Charger 1 x USB C to C Charger Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.