First in its class, the i470TC is an intuitive, stylish dive computer with Bluetooth communication and wireless air integration With stylish and instinctive design, the watch-style i470TC dive computer is packed with features that will keep you connected and on all your dive explorations. You can easily connect to Aqualung's free Diverlog+ app on your mobile device to wirelessly log your dives and manage computer settings. Complete 4 operating modes and the ability to switch between 3 nitrox mixes and 3 transmitters, the i470TC will be a compact "mission control" on your wrist.