100% Brand New and High Quality!Specification:This Fitness tracker 0.96inch color screen display, clear to see even under sunlight, monitor your sports information at all times, IP68 waterproof, you can wash hands when you wear it or wear it in the rain, but not wear it to swim.Features:High sensitive touched screen, can achieve various operations, information content, steps, calories, distance, weather, heart rate, and other functions to quickly view, thus opening intelligent life.the activity tracker watch band is made of thermoplastic elastomer, it is more comfortable to wear, non-slip design, lets you exercise without falling off.Recording heart rate is nice for knowing your fitness and exercise status, using reflection.Photoelectric signal detection principle records your heart rate, 24 hours continuous detection of your heart rate. Automatically record the number of steps, burn calories.The Fitness Tracker automatically detects your sleep and generates a sleep report.With IP67 waterproof performance, swimming, rain, water environments completely fearless, let you enjoy the fun of life.When you forget the time, the fitness watch will vibrate gently, reminding you to get up and wake up.Specifications:System requirements: Android 4.4 and above, IOS8.0 and aboveBluetooth version: support Bluetooth 4.0Color: black, pink, purple, light blueScreen size: 0.96inBattery: 3.7V, 90mAhTheoretical standby time: 10 daysWireless distance: 5-10mTheoretical working time: about a weekWaterproof: IP68Size: Approximately 24*2*1.5cmPackage Includes:1 X M5 bracelet1 X Bracelet manualNotice:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2cm differences due to manual measurement.