Easy 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.*
*Clear the charging port of any water, sweat of dirt before charging to ensure normal charging. A general USB charger is required.
Get Active. Stay Active.
Outdoor/Indoor run, Outdoor/Indoor walk, Outdoor/Indoor cycle*, Elliptical, Rower, Free training. Conveniently choose exercises from nine modes and track your workouts. HUAWEI Band 4 provides detailed data results like heart rate, heart rate zone, steps, distance, speed, calories and more. So you can adjust yourself for better exercising or training.
*Outdoor cycle is only supported on Huawei EMUI 5.0 or later, and iOS 9.0 or later
Smart Heart Rate Tracking
Thanks to the professional optical devices, processing chips and AI algorithm, the HUAWEI TruSeenTM 3.5 monitors your heart rate with accuracy. It also provides intelligent reminders via vibrations if your heart rate exceeds the maximum average heart rate*. In the night mode, the invisible light ensures less distraction for your better sleep.
* Users can manually adjust this setting.
Care For You Better Sleep
Healthy sleep is the basis for healthy living. HUAWEI TruSleepTM 2.0 tracks your heart rate during sleep to recognize the four phases and analyze the sleep quality. More than identifying 6 types of sleep problems, it also provide suggestions* to help you enjoy better sleep.
*Features may not be available depending on the country or region.
Longer Usage
Band 4 supports a full day using with 15 minutes charging and a single full charge powers the band with more than 6 days of usage time.*
*Based on results from HUAWEI lab tests. Battery life depends on actual usage situation.
