US Compass Mini KeyChain Powerbank 2600mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank Pack for most Smartphones and other USB-charged devices - Blue Type:Mini mobile power supply Battery capacity: 2600mAh input:DC 5V-500mA output:DC 5.3V-1000mA(max) size:22x24x96mm Products weight: 70g