Wristband activity tracker Rectangle Black Touchscreen 3.73 cm (1.47") AMOLED 198 x 368 pixels 282 ppi Heart rate monitor Calories burned Distance travelled Pedometer Hours slept Quality of sleep Personal goals Workout tracking Waterproof Timer Bluetooth 5.2 232 mAh Battery life: 18 day(s) Standby time: 672 h Amazfit Band 7Power Beyond Peer18-day Battery Life | Large HD AMOLED Display | 120 Built-in Sports Modes24H Blood-oxygen Monitoring | Test 3 Health Metrics in 1 TapThe viewable area of the Amazfit Band 7's large HD AMOLED display is 112% bigger than the previous generation, while the body remains slim and light.50+ Watch Faceswith Matching Always-on Displays18 Editable Watch FacesUpload Your Own PhotosStay Connected to Your Life, Not Your Charger.Brimming with power, the battery of the Amazfit Band 7 has a mega 232 mAh rated value.Don't Fret About Getting Wet.Power Through Rain & Waves.The Amazfit Band 7 has a water-resistance grade of 5 ATM, meaning it can resist the equivalent o