Watch Equipped with Bluetooth Tough Solar Biomass Plastic Black [Casio] G-Shock []GRAVITYMASTER GR-B300-1A4JF Men's

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Introducing the aviation concept GRAVITYMASTER GR-B300 series from the G-SHOCK MASTER OF G series aimed at professionals working in harsh environments. [Shockproof structure & 20 ATM water resistant] Adopts a shockproof structure that is resistant to shock and vibration. It is also equipped with 20 ATM water resistance, allowing it to be used in a variety of locations and situations. [Tough Solar] Casio's unique solar charging system that stably operates various functions that are subject to heavy loads by combining a solar panel that generates electricity even with a small amount of light and a large-capacity secondary battery. [Mobile link function] Functions can be linked with compatible smartphones via BluetoothⓇ communication. [Other product specifications] Please check the description column.