This Power Bank charges your smartphone or tablet wherever you are. It's perfect for keeping with you at all times for when you find yourself low on power.It's rechargeable high-capacity battery is compatible with many devices, with a USB output for use with other charge cables. The 2.1 A output is perfectly designed for charging tablets, and the LED indicators show the amount of charge remaining. The long standby time allows you to keep handy for emergencies, and the compact design is convenient for storage.CompatibilityMost USB compatible devices, including Apple iPhones, iPads and iPods, when connected to their USB charge cable (not supplied).