Lenovo ZA4R0027US Smart Clock with the Google Assistant Mediatek 8167S 1.5ghz 1GB 8GB Emmc 4” (480 x 800)Touch Compatible Soft Touch Cloth Grey WIFI, BLUETOOTH
"Logitech Advanced Optical Tracking Nominal value: 400 dpi Max value: Up to 2000" Number of buttons: 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click) "2.4 GHz USB receiver Bluetooth low energy technology Wireless range: 10 m wireless range" Battery type: 1 x AA battery GRAPHITE "Windows 7,8,10 or later macOS 10.13 or later"