Solar Energy Earth Friendly Emergency Keychain Charger &ndash; USB Rechargeable (Black) Recharge your mobile device anywhere! Earth Friendly Charger uses SOLAR LIGHT, a USB port, A/C plug, or indoor light to recharge. Fits Most: iPhones, iPads, iPods, Android Phones, Blackberry, Nexus, GPS, Digital Cameras, Bluetooth, E-Readers, Handheld Video Games, MP3, MP4, Tablets, etc. Includes 3 adaptors (Mini USB, Micro USB, and iPhone) NOTE: To optimize battery life you MUST FULLY CHARGE THE DEVICE using a USB cable plugged into a computer or power outlet for the first TWO (2) cycles!