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.