Powerslayer BLU: Bluetooth Enabled, App Controlled Smart Wall Charger for iPhone, iPad and iPod (Coral) A free companion app, Velvetwire PowerUp, running on your Apple device lets you view and control the charging process Your iPhone and iPad will alert you to plug them in if Powerslayer Blu is nearby and they need a charge Get an alert if Powerslayer Blu is left behind, such as forgotten in a hotel room All the features of the original Powerslayer: surge protection, auto-off to save energy and battery life, ultra efficient Energy Star V and UL Green Leaf rated