Doosl 2.4GHz Wireless USB PowerPoint PPT Presenter Remote Control Laser Pointer Pen

Features: 2.4G RF frequency,which is an ISM free frequency and can be used world-wide. 100 meters wireless range with 360-degree control. Use nickel-plated metal dome and silicone keypad to user comfortable key experience. Automatically enter into standby mode when not in use. It support the operation system: for Windows 2003, for Windows Vista, for Windows 7, for Windows 8, for Windows 10, for Mac OS, for Linux, fpr Android. Transmitter: Frequency: 2.4GHz Control distance: >100m Max output: 200m Wavelength: 650nm Battery: AAA(not included) Working voltage: 1.5V Sleep current: