Description:The Honor Band 4 Running Edition comes with a high-quality 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 touching displaySystem: BT 4.2, compatible with Android 4.4 and above or iOS 9.0 and aboveSports: pedometer, sleep tracker, exercise tracker, sedentary reminderSensor: 6-axis sensorsCall remind: call and message notification, mute call coming(only iOS available)Waterproof: water up to 50 meters/ 5 ATMBattery: 77mAh battery with long use timeFunctions: some of functions need set in APP to workSpecifications:Brand: HonorType: Smart Band 4 Running VersionColor: Blue/Green/Red/Yellow/Pink(Optional)Screen size: 0.5-inchBattery Capacity: 77mAhBand Material: TPUSafety Protection: 50 meters waterproofBT: 4.2Sensor: 6 axis acceleration sensorSupport 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*0.12inPackage weight: Approx. 130g/4.30ozNote:1. Install APP"Huawei 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 Band1* USB Clip Charger1* Buckle1* User Manual