FUNCTION: Charge and Sync your Devices. bottle opener help you easily open bottles. Use as KeyChainCONVENIENCE AND COMFORT: Charge your devices with computer or connect to a wall charger， car charger or adapter. At the same time use as Beer Bottle opener. Also easy to carry as can be used as Key Chain. Put it in your pocket， attach i with your keyring or backpackNote:For IOS 8 pin pls choose Iphone 6sFor Andriod Smart phone pls choose samsung s7 edge plus