Features:<br>Designed for Xiaomi AZ16-1 Battery.<br>Can charge for 2pcs of battery at the same time.<br>Built with Overheat Protection and Overcharge Protection.<br>Super mini design, convenient for you to carry about.<br>The indicator light will be red when charging.<br><br>Specifications:<br>Input: 5V 2A 800mA * 2<br>Output: 4.2V 800mA * 1<br>Item Size: 5.7 * 5 * 3cm / 2.2 * 2.0 * 1.2in<br>Item Weight: 29g / 1.0oz<br>Package Size: 6.8 * 9.7 * 3cm / 2.7 * 3.8 * 1.2in<br>Package Weight: 39g / 1.4oz<br><br>Package List:<br>1 * Charger<br>1 * USB Cable