> Red laser pointer

> Page up /down/Full screen/black screen/PPT annotation key/volume+/volume-/Power on/off/whiteboad touch pen

> USB dongle: USB A

> Control Range: 10m

> Laser Range: >100m

> USB interface: USB2.0

> Battery: lithium battery

> Operating System: Windows, Android, Linux

> Software Platform: Windows office, WPS office

Contents

1* wirelss presenter

1* USB receivers

1* color box