1.32 inches AMOLED screen 7-day maximum battery life 4-day typical battery life 2-day battery life with Always On Display enabled Bluetooth 2.4 GHz, supports BT5.2 and BR + BLE With its airy-light form and 13% higher screen-to-body ratio,2 bordered by a thin bezel, this watch gives you the fit you crave and a view to savor. Dazzling Watch Faces to Choose from , With 25,000+ exquisite watch faces3 to browse, including Blooming watch face, which flowers as your daily activity data grows, and Always On Display watch faces, 4 an idle moment is all you need to experience something new. 100+ Workout Modes, This watch is sure to track the activity you love – with new modes like football, basketball, and Padel, in addition to the myriad of walking, running, cycling, and swimming workouts. Hit the court or hunker down, with a vast array of real time data, to make the most out of every movement. You can also enjoy the convenience of voice guidance when running. Workout Heart Rate Monitoring , Don't miss a beat, with the new and improved HUAWEI TruSeen 5.5+ heart rate, and get timely voice or vibration reminders whenever your heart rate strays from its target zone. The heart rate monitor continues to work well, even in cold-weather environments. Listen Without Limits, HUAWEI WATCH GT 4 supports independent music playback. Set playlists in the phone app and match them to specific workouts – to get in your groove even when your phone isn't on hand! Take Control of Your Life , Manage your schedule and track your to-dos from the watch's Calendar app, to stay productive, proactive, and professional. Communicate Conveniently As Can Be, View SMS messages on your watch and choose to reply with a preset quick text message or emoji. Experience seamless communication with just a flick of your wrist.