Features:Innovative Footwear Mode:The HUAWEI Band 4e is a revolutionary breakthrough in sports bracelet wearables that uses a new Footwear Mode. Wrist wearing and foot wearing modes meet your daily and sports (running and basketball playing) use.Your Basketball Assistant:In basketball mode, record key data in real-time, band 4e can be your little basketball assistant. It accurately records every jump, height, and hang time. Basic data such as exercise duration, distance, calorie expenditure and active time are monitored by classification.Professional Running Coach:Become a smarter runner with 7-data monitoring and analyzing the running form. Put forward the intelligent suggestions with precise data to make running more efficient. Provides treadmill running data at a 97% accuracy using a built-in 6-Axis Gyroscope based sensor in Footwear Mode.50m Water Resistance:With 50m water-resistance, the HUAWEI Band 4e is designed for completing easy everyday tasks and swimming. The performance data that is captured can help you take a post-run dip in the water like a champion. HUAWEI Band 4e gives you newfound freedom.Long Battery Life:In standby mode, long-lasting battery life allows continuous duty operation for 14 days. One charge supports up to 40 full hours under running mode.Note:1.Only supports Android 4.4 and above systems.2. Works with HUAWEI APP: HUAWEI Health, please download yourself.3. Connecting your band and phone via BT, system language of HUAWEI Band 4e is the same as that of yoursmartphone.