ELECOM USB Keyboard with Trackball Wireless Premium Membrane Key Assignment Wrist Rest Black (Receiver Included) TK-TB01DMBK

【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. This is a premium membrane keyboard that uses the same key top design as mechanical keyboards and provides a comfortable keying feel. A wireless keyboard with a trackball that is equipped with an optical trackball, mouse right-click/left-click, back/forward buttons, and mouse wheel functions, allowing you to operate the mouse at the same time. The EXTRA TOUCH series eliminates erroneous inputs and unnecessary finger movements by using a "step sculpture structure" in which each step is arranged in a stair-like manner, and the top of each key curves to match the movement of the fingers, and a "cylindrical structure" in which the top of each key is recessed to achieve comfortable keystrokes. The keyboard features durable keys that can withstand up to 10 million keystrokes. Equipped with a tilt angle adjustment stand that allows you to adjust the tilt angle in two stages. The 19mm key pitch makes it easy to type, and the Japanese 108 key layout allows for comfortable typing. The receiver can be stored inside the main body. Equipped with a battery level indicator lamp to notify you when it is time to replace the battery. Equipped with a power switch that prevents battery consumption when not in use. We have adopted a high-performance gaming-grade optical sensor as the sensor that detects the movement of the trackball, and have thoroughly analyzed the color of the trackball, coating layer thickness, etc. that are suitable for the optical sensor to achieve the ultimate pointer tracking performance.