1. Can charge two devices at the same time
2. 2.1A charging, efficient and fast, not hot
3. Built-in smart chip, intelligently identify the output current, without hurting the battery
4. Multiple protection, safer charging
5. Most of the car models on the market
6. Mini and compact, easy to carry
7. Input: 12V-24V
8. Dimensions: 23x23x55mm