Warranty 1 Year(T amp;C) https://wwwmobvoicom/pages/limited-warranty THE LATEST ANDROID WEAR VERSION INTERNATIONAL With Android Wear 2.0, Ticwatch SE comes with the latest Android watch OS, giving you access to the entire Google Play ecosystem available to wearables. HEY GOOGLE! Ask it questions. Tell it to do things like reply to your messages. Its your own personal Google, always ready to help on TicwatchSE. BATTERY LIFE Up to 48 hour active battery life ensures you can go a full day on a single charge. AN ADVANCED FITNESS ASSISTANT. Tiwatch SEs heart rate monitor, step counter, and GPS provide every sensor necessary to comprehensively track and monitor your fitness. IP67 WATERPROOF Waterproof at depths of 1 meter for up to 30 min. Track your heart rate and steps, calculate calories burned, measure nutrition intake and manage your workout schedule independent of your phone. Also with its improved built-in GPS, Ticwatch S amp; E enables you to map your workout routine Built with Android Wear. Ticwatch S (Sport) and E (Express) empower your active lifestyle with the convenience of Google Assistant, fitness apps like Google Fit, and the powerful Android ecosystem. Google Play brings you your favorite apps onto your wrist that enable sleep monitoring, music detection, multi-language support, and much more. TICWATCH E (EXPRESS) GOOD DESIGN AWARD WINNER Add some personality to your look with Ticwatch Es interchangeable watch bands. The GPS is built in to the watch case, which is made of top-grade polycarbonate, making Ticwatch E durable, lightweight and perfect for daily wear! Size:44mm diameter, 13.55mm thick. Battery life:300mAh. Charging:Magnetic connecting pin charging. Sensors:Heart-rate monitor, Proximity sensor, Accelerometer, Gyroscope, e-Compass Whats in the box : Ticwatch x1 Charging Dock x1