Watch Smartphone Link Carbon Core Guard Structure [Casio] G-Shock []G-STEEL GST-B300SD-1AJF Men's

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Set contents: Main unit, box, instruction manual, warranty included in the instruction manual. Waterproof specification: 20 ATM waterproof function Mobile link function that can be linked with BluetoothⓇ communication with compatible smartphones Shock-resistant structure that resists shock and vibration Carbon core guard structure that protects the module from external impact with carbon case