AMOLED FULL COLOR DISPLAY - HANDY SMART FEATURES Online number identification, incoming or rejected calls, and new messages notifications are just few of the many useful features incorporated into the band with your daily needs in mind. Never be afraid of misplace your phone again since you can now use the band to locate it. The band even transforms into a remote control to take photos, especially selfies. GLOBAL VERSION - NO WARRANTY -
MULTIPLE WORKOUT TYPES outdoor running, indoor running, outdoor walking, outdoor cycling, swimming and many others! Compatible with Android and iOS devices
TruSleep SLEEP MONITORING Certified by the Center for Dynamical Biomarkers (DBIOM) at Harvard Medical School1, Huawei TruSleep sleeping monitoring technology is capable of identifying and providing advices on common sleeping issues, such as insomnia, light and deep sleep, easily awakened, excessive dreaming, and irregular sleeping habits.
TruSeen3.0 REAL-TIME HEART RATE Get 24 hours accurate real-time heart rate monitoring with high heart rate alerts. We use infrared technology to detect your heart rate at night, so rest assured that it is safe to wear the band to sleep.
50 METERS WATER RESISTANT Worried about wearing the band while washing your hands, swimming or caught in the rain? With the Honor Band 4, you can finally feel at ease in these situations.2 The smart band can also automatically recognize swim strokes, record swimming speed, distance, calories, and determine average SWOLF. - Honor Band 4 can last up to 17 days under normal use in a single charge