ship from Japan [Wireless method]: 2.4GHz RF radio wave method * The ID between the mouse and receiver is fixed. [Communication range]: Wooden desk (non-magnetic material) / radius approx. 10 m, steel desk (magnetic material) / radius approx. 2 m [Resolution]: 800/1300/1600 counts / inch [Reading method]: Optical sensor method (blue LED) [Button]: 2 buttons, 2 side buttons, wheel (scroll) button, count switching button [Battery performance]: Continuous operation time / approx. 192 hours, continuous standby time / approx. 10368 hours, usable days / approx. 3 months [Size / Weight]: Mouse / approx. W67 x D105 x H36mm / approx. 65g (without batteries), Receiver / approx. W14.5 x D18.9 x H6.3mm / approx. 2g Please check the Sanwa Supply website for product support and details. [Size / Weight]: Mouse / approx. W67 x D105 x H36mm / approx. 65g (without batteries), Receiver / approx. W14.5 x D18.9 x H6.3mm / approx. 2g Please check the Sanwa Supply website for product support and de
