DescriptionBrand: ELECOMColor BlackConnection method USB Wireless 2.4GHzFeature Quiet ButtonMovement detection technology OpticalAbout this productAdvanced in-air operation! A 10-button wireless handy trackball that frees mouse operation from the desk and enables relaxed PC operation by adopting a shape and button layout that are easy to grip and operate.[Connection method] Wireless 2.4Ghz (receiver included)[Number of buttons] 10 *Including wheel button[Size] L size: 40.7 mm (W) x 111.5 mm (D) x 56.6 mm (H)[Power source] Two AAA alkaline batteries, AAA manganese batteries, or AAA nickel-hydrogen batteries (expected battery life: approx. 233 days (when 5% of 8 hours of PC operation per day is allocated to mouse operation))Warranty period: 6 monthsRadio wave range: 3m when used on a magnetic surface (e.g., iron desk), 10m when used on a non-magnetic surface (e.g., wooden desk) *Test values are based on our environment and are not guaranteed.
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