Bungee Air Protect is the essential accessory for your iPhone 4 with a wireless security tether & case. Simply attach the Bungee Air adaptor to your iPhone 30-pin connector to enable two-way communication & attach the Bungee Air fob to your keys or purse. When you & your phone are separated, the iPhone screen locks automatically & sends an alert to the Bungee Air fob. A convenient app lets you customize security settings & also find your misplaced keys & fob. & the sleek, slim case protects the back & sides while allowing full access to all iPhone ports & controls.