Common problems and operations of turning laser pointer

Page-turning laser pointer has become very popular now. There is always a page-turning laser pointer. People can finally get away from the computer to give people multimedia teaching. This is a brief explanation.
1. Frequently Asked Questions
What should I do if the laser remote pen control distance is abnormal or stops working intermittently?
(1. Turn off other electronic devices that are close to the laser remote pen USB receiver.
(2. Use a USB extension cable to increase the distance between the receiver and the host computer.
(3. Make sure that the distance between the transmitter and the receiver is within 10 meters.
(4. Replace the battery.
What should I do if this product does not work?
(1. Confirm whether the battery is assembled correctly.
(2, check whether the USB interface is firmly connected to the computer‘s USB connection port.
(3, confirm whether the battery has run out.
If none of the above can solve the problem, please contact your local dealer.
2. Operation tips
(1. Please do not put the battery upside down.
(2. Do not leave exhausted or damaged batteries in this product.
(3. Do not use this product for a long time, please remove the battery.
(4. When the product is non-functional or the remote control distance is shortened, please replace with a new battery.
(5. The receiving distance of the receiver will be reduced by the interference of surrounding electronic devices. Please keep away from other electronic devices as much as possible when using.
3. Safety Tips
(1 The laser is harmful to the eyes. Do not point the laser at the crowd. It is strictly forbidden to use the laser to direct the eyes of others.
(2 Avoid pointing the laser on mirrors or other highly reflective objects.