Description This is a multifunctional smart watch. Support Android 4.3 and above, iOS 7.0 and above, BT 4.0 version and multiple languages. Give you a great experience function: PPG optical heart rate sensor, monitor your heart rate health. Blood pressure measurement, display the data on the watch screen, Let you know how it changes. Exercise real-time recording, calculate and display the number of steps, Distance, calories. Support data storage, Record the exercise data of the last 7 days. 9 sports modes, including running, walking, Mountain climbing, cycling, table tennis, basketball, badminton, football, swimming. Analyze your sleep quality, Track the length and depth of sleep and provide valuable guidance. Incoming calls, notifications and message reminders, you dont have to worry about missing messages. When the phone is connected to the watch, Remote control camera, sedentary reminder Specifications: Color: black Case: ABS Watch strap: PU mirror Material: glass dial Shape: Rectangle Waterproof rating: 3ATM Dial size: 4.4 * 3.7cm / 1.73 * 1.46in Dial thickness: 1.3 / 0.51 inches Strap width: 2.0 cm / 0.79 inch Strap length: 25 cm / 9.84 inches Strap weight: 46 grams Packing size: 10.4 * 8 * 7 cm / 4.09 * 3.15 * 2.76 inches Package weight: 106 grams Note: Not suitable for daily swimming and waterproofing. Dont press any buttons in the water, Do not soak in water for a long time, do not put it in hot water. Scan the QR code to download and install the APP in the manual, An error of 1-3mm occurred due to manual measurement. Due to the light of the photo or other reasons, There may be slight differences between the picture and the actual product, please refer to the actual product.