Connectivity: Bluetooth 5.0 ; Sensors: Accelerometer sensor, Gyroscope sensor, Optical heart rate sensor ; Colors: Emerald Green, Vibrant Orange, Magic Night ... Huawei Band 8 – Orange ; Colors: Emerald Green, Vibrant Orange, Magic Night Black, Sakura Powder ; Dimensions: 43.45 × 24.54 × 8.99mm ; Weight: 14 g ; Water ... On the Warranty Period & Support Service Query page, enter device serial number and verification code to check its warranty. If the device is genuine, its warranty information will be automatically displayed on the official websiteOnce fully charged, the band can be used for up to 14 days12, or 9 days13 in typical usage scenarios.Connectivity: Bluetooth 5.0 ; Sensors: Accelerometer sensor, Gyroscope sensor, Optical heart rate sensor ; Colors: Emerald Green, Vibrant Orange, Magic Night ...