Side PPT sidedrejning laser elektronisk trådløs undervisningspisk multifunktionel rødt lys fjernbetjening pen

Specifications: Charging parameters: 4.75V-5.25V /200-250mA Working voltage: 3.6V-4.2V /300mA polymer battery Effective distance: the remote control distance is 100M, the laser distance is greater than 100M Applicable software: Full support for Powerpoint, Keynote and Prezi Corresponding function: support page up and down, full screen and black screen functions. Press the page up key to realize the page up function, and long press the page up key to realize the full screen/exit full screen function. Press the page key to realize the page down function, long press the page to realize the black screen/exit black screen function, and add the hyperk function. Features: One: The function of the page turning key can be freely switched between the up and down arrows, left and right arrows, and Page Down/Up on the computer, and fully supports Powerpoint, Keynote and Prezi. Two: automatic standby, deep sleep, power switch, triple power-saving design, making the product more energy-saving and mo re durable. The independent power switch design can prevent the leakage of electricity caused by squeezing the button when the product is placed in the bag. Three: The laser is on when you press it, which is in e with traditional usage habits. Four: ultra-long-distance operation. Five: Using 300mA polymer lithium battery, Micro USB interface, can be charged by computer USB and mobile phone charger, eliminating the trouble of changing batteries. Package Included: 1 x Presentation Laser Pointer Pen