Note: There are two versions, dear customers, product description can be clearly photographed, thank you, so as not to cause a bad experience Deluxe Edition Features: OLED display screen Incoming messages, calls, and note prompt: iOS and Android, English and Chinese; Heart rate monitor: real time monitoring, monitor time period setting; Time display, pedometer, real time heart rate, distance shown; Standard sports functions: pedometer, distance counting, calorie consumption; Sleep tracking: sleeping time and quality; Time display, pedometer, distance shown on the screen; Turn-wrist to screen bright; Locating and finding watch; Anti-lost reminder: When your phone is out of your monitoring range, it will remind you; Specifications: System Required: Android 4.4 or above, iOS 8.0 or above, Bluetooth 4.0 Bluetooth Version: 4.2 waterproof: IP67 Grade Chip: ST17S25 Sensor: Gravity sensor, and Reflecting photoelectric heart rate sensor Display Screen: 0.42"" OLED Battery Capacity: 70mAh Standby Hours: 15 days Working Hours: 5 days Operating Way: Capacitive Touch Screen Warning Way: Built-in high sensitivity motor APPAPK Downloading Way: Android and iOS English Name: Yoho Sports You can search and find it in Apple APP Store or in Android App stores Net Weight: About 19g Package included: 1x Smart Bracelet Standard Edition： Features: 1. Wearable wrist band / wrist strap 2. A nice replacement to color your bracelet 3. Easy and simple to use 4. Made of high-quality ,environmental and healthy Specification: Display Screen: 0.42"" OLED Function :Time display Material：TPU+TPE Package including: 1*Silicone Wrist Strap Watch Note:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3 cm measuring deviation due to manual measurement .