Description: IMILAB Smart Watch KW66 Fitness Tracker Watch with 3D Curved Full Touch Advanced Health Monitoring Fitness Tracking 24H Heart Rate Monitor 13 Sports Modes Long Lasting Battery IP68 Waterproof BT Smartwatch Sports Activity Tracker Smart Bracelet Fitness Tracker for Men Women Kids Compatible with Android iOS Phones Features: 1.28" TFT large screen, 240*240 HD display provides you clear and vivid view 3D curved glass with curvy alloy case ensures every touch smooth and mellow With accurate algorithm to record mileage, steps and calories data Equipped with built-in low consumption sensors, accurate workout status can be tracked in real time Built-in optical heart rate sensor with advanced algorithm ensures you full day heart rate monitor at rest or during workout Comes with a large battery capacity and IP68 waterproof level Support notification push and sleep monitor Specification: CPU: Realtek RTL8762C RAM+ROM: RAM160KB+ROM384KB+Flash128MB Heart rate sensor: VC31 Pedometer