The Sinji 2-in-1 USB Car Charger and Window Breaker is a must-have accessory for in every car. With the two USB ports you can charge two devices simultaneously. The charger has a total output of 3.1A, which makes it the perfect charger for smartphones, tablets and any other USB powered device.The Sinji 2-in-1 USB Car Charger and Windows Breaker has a unique feature. You can use this charger in case of an emergency as a Window Breaker. Specifications: Brand: Sinji USB Ports: 2 Output: 3.1A (1x 2.1A, 1x 1.0A) Input: DC 12-24V Indicator: Blue, LED Compatibility: Every 12V car cigarette lighter CE, FCC certified Colors: Black, Blue, Silver