The Mojo Treble Keychain is a three-in-one tool. It combines card reader, iPhone/iPad SIM card tray eject and a Data Sync Cable for syncing and charging your iPhone, iPad, and iPod touch. The SIM card tray ejector is an easy tools you need to change your SIM card wherever you go. The Mojo Treble Keychain features a smart switch control to toggle between card reader mode and data sync mode. They keychain supports charging and synchronization to all portable devices that using an apple 30-pin port or a microUSB ports and it is very easy to use. It comes with carabiner and keychain string in 2 different color; black and white.