Elecom Mouse Wireless (Receiver Included) Trackball S Size Small Thumb 5 Buttons Quiet Black M-MT1DRSBK

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. ``BITRA'' is a thumb-operated wireless mobile trackball that has a compact design that is ideal for mobile use, yet provides high operability. [Connection method] Wireless 2.4Ghz (receiver included) [Number of buttons] 5 buttons *Including wheel button Width 73.7mm x Depth 89.9mm x Height 41.3mm [Power source] One AAA alkaline battery, AAA manganese battery, or AAA nickel-metal hydride battery (estimated battery usage period: approximately 110 days)