[Product Information] Brand: CASIO Materials: glass [Product Description] explanation [Gshock GBA-900UU-5A limited edition color military khaki] This is G-SHOCK's sports line that comfortably supports daily training based on the concept of urban sports.This distance measurement and driving time are corrected by linking with the GPS function of your smartphone. In addition to being able to measure running pace by linking measurements, it also has an auto lap function, which supports daily training with a step tracker, interval timer, lap time measurement, and calorie consumption measurement. In addition, you can check your life log and activity history by linking with a dedicated app, and the donut-shaped LCD display displays a 5-level exercise intensity graph and set goal achievement rate, which helps increase motivation.Super Illuminator is also available. The band is equipped with a soft urethane material to improve the fit, and the connecting part has vent holes to improve breathability. In addition, even when using multiple functions on a daily basis, such as automatic time adjustment via Bluetooth connection, simple notification function (sound alert only), and step counting function, the battery life is approximately 2 years.From daily health management to running endurance. This model is useful for a wide range of purposes, including strengthening your strength and even as a fashion item. Notifies you of incoming calls, SNS (LINE, etc.), emails, etc. to your smartphone with sounds and icons. [Important Note - For Overseas Customers] Thank you for purchasing this product. Please read the following important notes carefully before using this product overseas. 1. Legislation and safety standards This product complies with Japanese safety standards. Please check compatibility with local regulations and safety standards before use in your country. Certain product categories (electronics, cosmetics, food, etc.) may require certification from the importing country. 2.About electrical products This product complies with Japanese power specifications (100V, 50/60Hz). If your country has different power specifications, you will need an appropriate transformer or conversion plug. Using an inappropriate power source may cause malfunction or accident. 3.Language and manual Product instructions and displays may only be in Japanese. The English version of the manual can be downloaded from our website. 4. Warranty and after-sales service International warranty coverage is limited. Please check the warranty for details. After-sales service and repair support overseas may be limited.