Lcyyo@ PR-03 Portable 2.4G Wireless Adjustable 800/1200/1600DPI USB Optical Pen Mouse with Pen Stand for PC Computer Desktop Notebook Laptop (Blue);

How to use it:
1.Open the battery cover, insert 1 AAA battery with correct polarity (+/-), then open the power switch.
2.Insert the mini receiver into computer USB combo. You can use this pen mouse directly after insert the receiver.
3.It can be used for business meeting, working PPT speech, teaching and other occasions.

Product Features:
✔ Three button + scroll wheel.
✔ Battery: 1 x AAA battery (not included).
✔ 3 Resolutions adjustable: 800/1200/1600 dpi.
✔ Ergonomic design: fits comfortably on your hand.
✔ Neo-modern design and precision tracking optical sensor.
✔ Compatible with the equipment: suitable for laptops, tablets.

Product Specifications:
* Item Model Number: PR-03.
* Type: wireless pen mouse.
* Color: blue.
* Interface: USB.
* Weight: 0.8 oz.
* Size: 5.7 x 0.6 x 1 in.
* Operating Distance: 33 feet.
* The Rated Working Voltage: 1.5 V.
* Tracing Method: optical technology.
* The Rated Working Current: 8-10 mA.
* Power: 1 x AAA battery (NOT included).

Package Included:
1 x Pen Mouse.
1 x Receiver.
1 x Pen Stand.
1 x User Manual.

☛ Note: the battery is not included.