Laser pointer, Remote control Bluetooth/RF Grey 2.4 GHz Nano receiver Wireless range: 20 m Alkaline AAA 1000 mAh Laser class: 1 Laser wave power: 0.039 mW Performance Wireless range 20 m Frequency band 2.4 GHz Bluetooth Low Energy (BLE) Yes Wireless technology Bluetooth/RF Receiver type Nano receiver Wireless receiver interface USB Features Wavelength range 640 - 660 nm Laser wave power 0.039 mW Laser class 1 Laser pointer colour Red Buttons quantity 3 Presenter functions Laser pointer, Remote control Product colour Grey Power Battery life 12 month(s) Battery type AAA Battery capacity 1000 mAh Battery technology Alkaline Number of batteries supported 1 System requirements Linux operating systems supported Yes Mac operating systems supported Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura Windows operating systems supported Windows 10, Window