1.1.14 inch Big HD IPS Color Screen. Different dials for selection. Heart rate ,calorie, time, step could be shown on one page for easy reading.2. Bluetooth 4.0(low power consumption).Support IOS 9.0 version above and Android 4.4 version above.3. Comfortable silica gel/leather/steel strap4. Built-in 140mAh battery, working time is about 4~5 days. (The actual time depends on whether the screen is always on and how often the detection function is applied).5. Life waterproof and dustproof (you can wear it when washing hands or in the rain. However, it is notsuitable for bathing and hot water or salt water is forbidden.)6. Charging Method: USB Interface.7. APP Support Language: English, French, German, Italian, Russian, Spanish, Korean, Japanese,Portuguese, Arabic.8. APP (HBAND) for this watch is user friendly, compatible with XIAOMI HUAWEI SAMSUNG IPHONE ect.,very easy to connect the phone and the watch. Once it is connected via Bluetooth with the phone, the time,date shown on the screen would be synchronized.