MULTI-METHOD WEARING: HUAWEI Band 4e adopts principal part design and creative shoes wearing mode, which lets running shoes intelligent. Bluetooth frequency: 2.4 GHz, Bluetooth 4.2, Maximum Bluetooth connection distance: 10 m (in an open area). CREATIVE BASKETBALL MODE: By tracking and analyzing your movement, HUAWEI Band 4e scores your overall performance in every basketball game including detailed result in jump, sprint, lower-body strength and other key performance. Know yourself better, train yourself like a pro. PROFESSIONAL RUNNING POSTURE TRACKING: Supports 7 kinds of running form data monitoring on foot mode, professional analysis and advice of running form, help reduce the risk of running injury, improve your running efficiency. LONG BATTERY LIFE: With 77 mAh battery capacity, a single charge of HUAWEI Band 4e smart band gives you 14 days of normal usage, last for nearly 21 days standby time. 5ATM WATER-RESISTANCE: HUAWEI Band 4e Activity Tracker is certified by 5ATM( 50M) international waterproof standard. Support all day wear, rain, and even a swim in the pool, which allows you to dive into becoming a better you.