This is not a medical device, so accurate measurements cannot be taken. Please understand this before purchasing. Color: Body: Black Band: Black [New, Unused] ● Convenient Notification Function Notifies you of messages and incoming calls from SNS such as LINE, Twitter, Facebook, and Instagram. ● Activity Tracking You can measure calorie consumption, average pace, and running time for running, walking, and cycling. ● Sleep Monitor Monitors sleep quality (deep, light, awake) and time. Provides easy-to-understand data. ● Heart Rate, Blood Pressure, Oxygen Saturation You can measure them anytime with one tap from the app. ● Sedentary Alert Alerts you when the set time has passed, encouraging you to stand up. ● Find Phone Can't find your phone? This is a convenient function for that. It makes a sound from your smartphone to let you know its location. [Product Contents] ・Smartwatch Body ・Watch Band ・Color: Black ・Manual (English/Chinese) Simple Japanese Instruction Manual [Product Specifications] ・Screen Size: 1.44 inches ・Screen Resolution: 240*240 pixels ・Frequency Band: 2.4GHz ・IP67 Waterproof ・Bluetooth Version: 5.0 ・Compatible with Android 5.1 and above and iOS 9.0 and above ・Package Weight: 44g ・Message notification, photo, video shooting ・Monitoring functions such as heart rate and sleep status ・Continuously monitors changes in heart rate ・Built-in multiple sports modes ・Alarm clock, pedometer, etc. ・Bluetooth connection, fast charging without a cable. [Please Note] The design is such that you plug it directly into a USB port to charge the main unit. You will need to purchase a USB port separately.