Blast Athletic Performance, Jump & Sprint Analyzer The Blast Precision Motion Sensor attaches uses Bluetooth Smart technology to connect to your smartphone or tablet There's no need to alter your natural motion, and there are no power buttons or controls to get in your way Capture video and track activity instantly, even store your performance metrics when the sensor is out of range and they'll download to your smart phone or tablet as soon as you reconnect Easily share your highlights with your friends via Facebook, Twitter and E-mail with just one touch Make every move matter. With Blast Athletic Performance, trainers, coaches, voleyball players and firtness enthusiasts can gain the insights they need to improve their game, gain the competitive edge and show the world what they've achieved