Description: The Honor Band 4 Running Edition comes with a user replaceable bands and serves as a small and light body. It comes with a smaller 0.5-inch monochrome OLED display and it features with a 6-axis motion sensor and the water resistance for up to 50 meters.   Main Features: Touchscreen: 0.5 inch OLED touch display;  System: BT 4.2, compatible with Android 4.4 and above or iOS 9.0 and above;  Sports: pedometer, sleep tracker, exercise tracker, sedentary reminder;  Sensor: 6-axis sensors;  Call remind: call and message notification, mute call coming(only iOS available);  Waterproof: water resistant up to 50 meters / 5 ATM;  Battery: 77mAh battery with long use time;  Functions: some of functions need set in APP to work;   Specifications: Type: Smart Band 4 Running Version;  Screen size: 0.5-inch;  Battery Capacity: 77mAh;  Band Material: TPU;  Safety Protection: 50 meters waterproof;  BT: 4.2;  Sensor: 6 axis acceleration sensor;  Support System: Android 4.4/iOS 9.0 and above;  Sizes: Approx. 40.5 mm x 14.8 mm x 11.2 mm (body size); Approx. 226.15 mm + 17.70 mm (wristband length);  Package size: Approx. 18*9*3.4cm/0.63*0.32*0.12in;  Package weight: Approx. 130g/4.30oz;   Note: 1. Install APP " Health" via QR-code. Open APP and follow its instruction, then pair the smart device. Please update the APP at least to 9.0.2.302 version on Android, and 8.0.6.301 on iOS.  2. Item color may show slight aberration due to different shooting light and monitor display.  3. Colour may vary, colours and features may not be available in all market, please check with local retailers for exact offer.  4. NOT SUPPORT heart rate monitor and weather detection.   Package list: 1 * Smart Band;  1 * USB Clip Charger;  1 * Buckle;  1 * User Manual