Introducing the second-generation CZ smart, the smarter smartwatch. Citizen CZ smart casual 41mm smartwatch with blue silicone strap is designed to help you be the best version of yourself throughout the day, every day. Inspired by the rich design of Citizen’s iconic sport technical timepieces, CZ smart marries innovative science and technology with the style and quality you expect from citizen. The CZ smart Youq software leverages AI models built with IBM atson® studio and research pioneered by NASA ames research center to power features within the proprietary Youq application. The youq software helps you anticipate patterns of fatigue and alertness and offers highly personalized insights and suggested actions to help you improve alertness and promote the building of better habits, readying you to meet whatever the day may bring. Compatible with both iphone® and android™, CZ smart runs on wear OS by Google™. The versatile, customizable menu of dials, designed exclusively for CZ smart, gives you all the information you need at your fingertips. With a range of interchangeable 22mm bands available for all cz smart watches in bracelet, mesh, leather, and silicone, you can dress your CZ smart watch for any occasion and make the most out of every moment.  Supported features may vary between countries with compatibility subject to change. Wear OS by Google is a trademark of Google LLC.   This device and its related software are not intended for use in the diagnosis, cure, mitigation, treatment or prevention of disease or other conditions.  Number of Batteries: 1 Included: 1 Watch(es) Features: World Time, Touch Screen Enabled, Receives Calls, Receives Texts, Bluetooth Compatible, Alarm, Caller Id, App Notifications, Gps, App Download Required, Smartphone Compatible, Receives E-Mail, Batteries Included, Vibration Alert, Date Function, Built-In Speakers, Quick Ship Battery Type: Lithium Ion Jewelry Closure: Buckle Power Source: Battery (included) Tech Compatibility: Android, Apple Ios Tracking Capability: Calories Burned, Time, Steps, Activity Tracking, Heart Rate, Sleep Quality, Distance Watch Movement: Smart Watch Band Color: Blue Dial Color: Black Metal Color: Silver Tone Case Thickness: 13mm Case Width: 41mm Watch Band Length: 10 Inch Band Content: Silicone Case Materials: 100% Stainless Steel Band Width: 22mm Care: Wipe Clean Country of Origin: Imported Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.