The world"s smallest external rechargeable battery with slim, stylish, mini, sleek, and light-weight design; Fits easily into any bag or pocket; Compact "Lipstick" Size: 3.7 x 0.9 x 0.8 inches; Weight: 2.7 ounces; Input: 5V 1A; Output: USB DC 5V 1A; Input charging time: 4-5 hours via USB * 2600mAh rechargeable power capacity with 1A output. Add 8 hours of talk time or more than one full charge to your iPhone 5 / 4 / 4S / 3G / 3GS; Add 80+ hours of audio playback or more than one full charge to the battery life of most mobile phone * Samsung Grade A cell and premium microchips ensure high quality; 4 LED status of charge indicators to indicate the charging and discharging process; Premium aluminum case * Secured battery safety with 4 layers of smart safety protection circuit; Advanced power lock technology with standby time up to 6 months after fully charged; Please note that you need to press the power button and hold it for a bit longer time to initiate charging your device from the Mini if you haven"t used it for a while. * Package includes: 1 Jackery Mini External Battery, 1 premium Micro USB to USB 2.0 cable; Visit www.jackeryusa.com for more details