JETech 0750 3000mAh Ultra-Compact Portable External Power Bank - Black 3000mAh capacity. On/off button to stop/resume charging, LED indicators displaying charging status. Grade A Li-ion polymer cell and premium microchips create high-quality portable charger Note: after each charge, the battery automatically shuts off to reserve power. User must press the on/off button 2 seconds to turn it on. Premium aluminum case: solid aluminum alloy with anodized processing, comfortable and luxury touch?Stylish, lipstick-shaped, lightweight design (2.3x2.3x9cm) fits easily into any pocket or bag Maximize compatibility with Android, Apple or other devices by enabling charge speeds of up to 1 amps, add more than a full charge or 4 hours of additional talk time. Standby time up to 6 months after fully charged. 500+ recharge cycles over the life of the battery Designed with a 5V 1A output USB port, universal fits for iPhone, iPod, Samsung devices, cell phones, tablet PC Package includes: JETech 3000mAh External Battery, Micro-USB cable, Instructions manual. 6-Month Warranty from JETech