Product Description:
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<br />1. Button: red light, page down (long press to enter or exit the full screen mode), page up (long press to enter or exit the black screen mode), on/off switch.
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<br />2. A bright red light is easy to be seen against most backgrounds; The wireless range can be up to 98ft, allowing you freely move around the room.
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<br />3. It supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) and Google Slides.
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<br />4. Support Options: Windows 2003, XP, Windows Vista, Windows7, Windows 8 (above), Mac OS (For MacBook on OS, plug the USB receiver into the laptop and it will come out a box, then you can select 101 or 104.), Linux, Android (For Android, Linux and Mac OS system, it may support only light and page flip function.)
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<br />5. Low Power Indicator: With one-piece design, the mini USB receiver can be stored in the wireless transmitter tail where it can be secured with a magnet system; Without complex settings requirement, just simply plug into your computer's USB port.
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<br />Product Features: 
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<br />Computer Remote Buttons Functions: 
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<br />On/off switch 
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<br />Page up (long press to enter or exit the full screen mode) 
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<br />Page down (long press to enter or exit the black screen mode) 
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<br />Red light 
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<br />Transmitter Features: 
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<br />Frequency: 2.4GHz 
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<br />Control Distance: more than 100m 
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<br />Max Output: less than 5mW 
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<br />Light Distance: more than 200m 
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<br />Battery: 1 x AAA battery (not included) 
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<br />Working Voltage: 1.5V 
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<br />Sleep Current: less than 10uA 
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<br />Dimension: about 138.8 * 17.6 * 15mm / 5.46 * 0.69 * 0.59in
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<br />Weight: about 18.6g 
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<br />Receiver Features: 
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<br />USB Version: USB 1.1, compatible with USB2.0, USB 3.0 
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<br />Working Voltage: 4.5-5.5V DC 
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<br />Dimension: about 24.7 * 13.8 * 5.14mm / 0.97 * 0.54 * 0.20in
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<br />Weight: about 1.6g 
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<br />Warranty: Lifetime Warranty. You can get another USB chip if you lost the original USB chip within 2 years.
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<br />Notice: 
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<br />If you find out that the up and down keys don't work as you wish, please press " " and " " keys for 1 second at the same time. After the indicator light flashes, you can loosen your fingers. In this way, the presenter can switch to one of the three modes: page up and page down, up and down, right and left. 
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<br />Packing List: 
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<br />1 x Wireless Presenter Remote Control 
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<br />1 x Wireless Receiver 
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<br />1 x Carry Bag 
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<br />1 x User Manual
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