HEART RATE MONITOR & SLEEP QUALITY TRACKING: Automatic heart rate monitoring to help you better understand your health and fitness. Tracks quality of your sleep and time spent in light and deep sleep cycles. Set an alarm and have your tracker wake you peacefully with a quiet vibration
ACTIVITY TRACKING with 9 SPORTS MODES: Records steps, distance, calories burned and minutes active automatically. Choose from up to 9 exercise modes to track your activity in greater detail – see stats in real-time like Heart Rate, Time, Pace and Distance on your wrist. Connect your Delvfire bracelet with GPS on your phone for increased levels of accuracy and to record a map of your route
SMART WATCH FEATURES: Call/Message Notifications (SMS text, WhatsApp, Facebook, Instagram, Twitter, Skype plus more) with a 10 Message Memory, Reject Caller, Alarms, Stopwatch & Timer, Guided Breathing, Reminders to Move, Bluetooth Music Control, 4 Watch Faces, Screen Brightness, Find Phone, Do Not Disturb

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【0.96″ COLOR TOUCHSCREEN】HUAWEI Band 4 smart band activity tracker comes with 0.96″ TFT color screen. The 2.5D display offers you with the stunning visual experience, engaging interface and smart message notification
【CREATIVE BUILT-IN USB CHARGING】Free you from different cables and chargers. The built-in USB plug of HUAWEI Band 4 fits in general USB chargers so you charge it anywhere and anytime. 2 A single charge powers the band with more than 6 days of usage time