TopYart Smart Bracelet Fitness Activity Tracker ID115 Smart Bracelet IP67 Waterproof Step Counter Activity Monitor Band Vibration Wristband for iPhone Android Smartphone (Black)

Anti-dust and Waterproof rating:IP 67 Life-level waterproof, sweat-proof, rain-proof, but do not wear it when you are showering and swimmingSleep Monitor:Device could automatically recognize your state and monitoring the whole sleep progress with analyzing the deep sleep and light sleep hours and through the vibration alarm clock wake you quietly.Screen Size:0.86 inch OLED screen multi-point to...