wireless foldable computer mouse arc touch mice slim optical gaming folding mice for computer pc laptop (2.4g wireless) wudekeji specification:<br> mouse type: 2.4ghz wireless mouse<br> color: black<br> scrolling type: touch scroll<br> pointing device host interface: usb<br> mouse size: 126.5*56.5*16.5 mm<br> power supply: 2*aaa battery (not included) <br> net weight: 50g<br> maximum working current: 15ma <br> minimum working current: 0.08ma<br> battery: 2*aaa batteries<br> frequency range: 2.4?2.48ghz<br> transmission distance: 10m<br> system support: windows, mac os, android