Note: Q8 Pro is square display, not round display. General Specification Brand Bakeey Model Q8 pro Color Multi-color selection Bluetooth Version BT 4.0 or above Compatible OS Android 4.4 or above iOS 8.0 or above Operating Mode Single Touch APP Name JYOU App Language English, Portuguese, Spanish, French, German, Polish, Dutch, Arabic, Russian, Japanese, Korean, Simplified Chinese, Traditional Chinese Special Features Waterproof IP68 Heart Rate Monitor Support Blood Pressure Monitor Support Blood Oxygen Monitor Support Sleep Monitor Support Multi-sport Modes Support walking, ruinning, riding etc Pedometer Support Call or Message Reminder Support Reject Call Support Notification Support Facebook,Twitter,Wechat, WhatsApp etc. Alert Type Vibration Auto Light-up Screen Support Weather Push Support Bluetooth Music Control Support Other Functions Support Alarm,Calender,Sedentary reminder,Camera remote control,Anti-lost, Technical Parameters Sensor G-sensor, Heart Rate Sensor Screen Size: 1.0inch Type: OLED Resolution: 128*96pixels Battery Battery Capacity: 110mAh Standby Time: About 15 days Using time: About 7 days Charging Time: About 1 hour Charging Type: Magnetic charging Appearance & Details Band Material: Silicone Length: 230mm Weight and Size Product size: 230*40*12mm Product weight: g 1*Bakeey Q8 pro IP68 Weather Push Smart Watch 1*Charging Cable 1*User Manual (English Version) Tips: 1.Display and light of shoot will affect the color of the products, pictures for reference only, subject to our available products. 2.Please download the app before usage in order to compatible perfectly with your phone. Q&A 1.Q. Is it waterproof ? A. It's life waterproof. Not for swimming, showering and diving. 2. Q. What is the APP? A. It's JYOU. 3. Q. How to change the time of my device? A. Please synchronize the device with your phone through Bluetooth to calibrate time.