Vktech&reg; U9 Bluetooth Smart Wrist Watch Waterproof Sports Bracelet for Smartphones Healthy U-SEE U9 Bluetooth Wrist Watch Bracelet with Calorie Counter Pedometer for iphone Samsung Sony HTC Huawei 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, waterproof, anticorrosion etc. Features: Caller ID, reject call, alarm clock, pedometer, wifi, clock, burglar alarm etc Application: drive, sports, shopping, business, fashion...... Compatible with: Samsung, iPhone, Sony. Oppo, HTC, Huawei, Xiaomi......