Specifications: Color: Black, Blue, Red. Material: Case: PC. Strap: Silicone. Size: L*W*H=235mm*24mm*11.6mm. Screen Display: 0.96 inches OLED Screen. Control Method: Single Touch. Battery: 85mAh Polymer Lithium Battery. Charging Time: About 1.5-2 Hours. Life Time: 3- 5 days in use, 7-10 days in standby. Bluetooth: 4.0BLE(low-power). Compatible OS: Android 4.4 and above, iOS 8.0 and above. Waterproof: IP67 Waterproof. Speci Function: Bluetooth Synchronization, Intelligent Anti-lost, Remote Camera, Raise The Screen, Shake To Take Photoes. Health Funciton: Heart RateDetection, Sleep Monitor, Sedentary Reminder. Sports Funciton: Sport Monitor, Step Count, Distance. Language: English, Japanese, Simplified Chinese, Traditional Chinese, French, German, Russian, Romanian. Features: 1. The new 0.96-inch OLED single-touch HD color large screen, you can clearly see more content in the fitness tracker even outdoors. Very slim and lightweight strap, comfortable and easy to wear. 2. Accurately record your all-day activity data such as steps, distance, calories burned and duration of activity. Open the real-time running function of the phone app, the GPS function of the phone will start recording your sports track display map, distance, time, speed, calories burned, etc. 3. Monitor your heartbeat with the latest HR sensors to help you exercise scientifically; Monitor your sleep quality every night, you can wake you up with a vibrating alarm without disturbing others. 4. Never miss any important calls and messages: When your phone is out of sight, the smart bracelet will give you a vibrating reminder that you have a Call, SMS or SNS notification (whatsapp, facebook, twitter, ins). 5. This fitness tracker uses the latest waterproof technology, waterproof rating reached IP67, even if it rains, car wash, swimming, you do not need to remove the fitness tracker. Package Including: 1 x Smart Watch. 1 x User Manual