ship from Japan Compact and mobile optical wireless mouse Ultra-small nano transceiver Power-saving design, battery life approx. 6 months Size & weight (including transceiver)Size (H x W x H): approx. 100 x 58 x 38 mmWeight (without battery): approx. 59 g (body: approx. 57 g, receiver: approx. 2 g)Weight (with battery): approx. 82 g (body: approx. 80 g, receiver: approx. 2 g) Required systemSupported OSWindows 10/8.1/8/7/Vista Japanese version, Windows RT 8.1/8 Japanese versionMac OS X v10.7 or laterAndroid 4.4 or laterFree HD spaceWindows:150MBMacintosh:30MBAndroid PC: USB 2.0 port Reading method: Optical
