Vidonn X6 Fitness Tracker and Sleep Monitor - Track Your Calories, Steps, Distances and Read Messages with This Pedometer / Smart Fitness watch Your purchase is risk free and covered by Amazon return and refund policies. An irresistible, fashionable watch with a state-of-the-art OLED display and an efficient touch screen. Keep track of your steps, distances and calories, and achieve your fitness goals. Compatible with IOS 7.0/Android 4.3 and above. bluetooth 4.0 required. Displays incoming calls, messages and notifications. Highly trained and super friendly native speaking customer service team. Available 24/7.