B57 Intelligent Sport Fitness Tracker IP67 Waterproof Heart Rate Blood Pressure Monitor Watch This is a multi-functional fitness watch. It can track your steps and monitor your body status, helping you keep fit.  Features: Supports real time heart rate and blood pressure. All-day activity tracking: calories burned and mileage. Supports monitoring your sleep quality.  Supports alarm clock setting and sedentariness reminding. Supports music controlling and weather reminding. The screen will wake up when you flip your wrist. Multi-sport mode: badminton, basketball, football, swimming, walking, rope skipping，running，Cycle etc. Receive notifications from other apps (Wechat, messages and so on) of your phone. IP67 waterproof makes the watch more practical.  Remote camera shooting: operation on the tracker could remotely control photography shooting. Specifications: Material: PC + plastics Color: black, white, gold (optional) BT version: BT 4.0 Main control chip: NRF52832 Supportive system: compatible with Android4.4 and above/IOS9.0 and above Application support languages: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean Waterproof: IP67 Screen size: 1.3in Working time: 7d Standby time: 25d Package size: 100 * 80 * 60mm / 3.94 * 3.15 * 2.36in Package weight: 105g / 3.7ounces Note:Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 1 * Intelligent Watch 1 * Charging Cable 1 * User Manual