TTTK Bluetooth Smart Watch New U9 USee U Watch Wrist Smartwatch Pedometer Anti Lost For iPhone Samsung HTC Huawei Xiaomi Smartphone Healthy U9 Bluetooth Smart Watch Wrist Watch Bracelet with Calorie Counter & Pedometer & Wifi Hotspots Functions For Samsung,iPhone,Sony,Oppo,HTC,Huawei,Xiaomi Waterproof (BLACK) Double vacuum plating process, modern science and technology of suspension display. The first one use of stainless steel materials in the world, the best metallic smart wristlet, Strap made of non-toxic environmentally TPU materials, has the advantages of wear-resisting, corrosion resistance, harmless to skin. Streamline design is fit for your wrist, combined with fashion, sports and business. Special materials and excellent structural design and has advantages of shockproof, Unzerbrechlich, anticorrosion etc. Can keep smooth and steady connection for 10 meters and 15 meters for valid distance connection. Features: wear-resisting, corrosion resistance and no harmless to skin; Advantage over other smart watch: Waterproof/can be used as Pedometer/Calorie counter/Wifi hotspots; Wifi hotspots:yes