Specifications: Color: Silver black, Gold black, All black, Gold grey, Silver grey. Material: Case: ABS+PC. Strap: Silicon. Size: 36 x 36 x 9.8mm. Band Length: 235mm. Weight: 35.8g. Screen Display: 1.0 inches TFT Screen. Control Method: Single Touch. Chip: Realtek 8762-AG. Battery: 150mAh Polymer Lithium Battery. Life Time: 5 days. Bluetooth: 4.0BLE. Compatible OS: Android 4.3 and above, iOS 8.0 and above. Waterproof: IP67 Waterproof. Special Function: Call reminder, Information push, Remote control camera. Health Funciton: Sedentary reminder, Heart rate monitor, Blood pressure monitor, Sleeping monitor. Sports Funciton: Steps, Exercise time, Mileage, Calories. Features: 1. The new 1.0 inches TFT 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. 3. Monitor your heartbeat with the latest 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 Charging Cale. 1 x User Manual