Never break your stride with the SF-T7515 Smart Treadmill with Auto Incline by staying connected with Bluetooth and MP3 technology right at your fingertips. The SF-T7515 Smart Treadmill with Auto Incline is packed with state-of-the-art technology that will keep you engaged and connected. The large backlit LCD monitor displays: time . distance . speed . calories . incline . and heart rate. The treadmill is equipped with 12 preset interval programs that manipulate time . speed . and incline. There are 3 countdown modes to target different workout goals: time . distance . and calories. The Body Mass Index calculator will estimate body fat based on height and weight. BMI is a reference point for users to determine goals and fitness progressions when taken in different stages of training. Integrated speakers . microphone . Bluetooth . and MP3 connectivity allows user to answer calls and listen to music. The ample running space allows users to run up to 8 miles per hour and to change incline up to 12%. The treadmill is equipped with preset buttons to quickly increase speed and/or incline. The treadmill is easy to fold up and move with the built-in transportation wheels. The soft drop system makes unfolding the treadmill virtually seamless. Let Sunny Health and Fitness keep you moving and on target with the SF-T7515 Smart Treadmill with Auto Incline.