FD68S Smart Sports Watch - your fitness and medical tool (Unisex, IOS & Android Compatible)This watch is on a BUY 1 GET 1 FREE promotion. To qualify for the free watch, merely add 2 of these watches to your shopping cart and checkout. The total price will be reduced by the cost of one watch. Then you can move ahead to payment. Features and Specifications: Mode: FD68S System: Android and IOS OS Samsung, Iphone and Huawei (Android phones must have pre installed Google Playstore) Functions and Features: Passometer, Fitness Tracker, Heart Rate