Specifications: Size: 6.5 * 2.5 * 0.1cm Weight: 10.8g IR of PCM : ≤65 mΩ Allowed 0V change: Yes Constant current: 2.4A Dual output current: 5V 2.4A Input voltage B+ to B-: 3.0 - 4.2V Charging cable: support Iphone and Android three USB Cables Button function: Press and hold the button after standby, the LED digital screen displays the power Prevent Overcharge Protection: Detection voltage: 4.20±0.05V Release voltage: 4.100±0.05V Detection delay time: <200 ms Prevent Overdischarge Protection: Detection voltage: 3.0±0.10V Release voltage: 3.10±0.10V Detection delay time: <100 ms Short Circuit Protection: Short detection delay time: <50 uS Release Conditions: Cut off load Note: Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 1pcs