Logitech R400 Wireless Presenter vs Logitech R500s Laser Presentation Remote

The two products' specifications row by row. Rows where they differ are marked; a missing value is unknown, never equal.

1 differences
SpecificationLogitech R400 Wireless PresenterLogitech R500s Laser Presentation Remote
Laser classDiffersClass 2, 1mW continuous waveClass I
Wireless receiver interfaceSameUSBUSB
Laser pointer colournot knownRednot known
Presenter functionsnot knownnot knownRed laser pointer
Wavelength rangenot knownnot known640-660 nm
Dimensions (W x D x H)not knownnot known123x36x24 mm
Weightnot knownnot known48 g
Total carbon footprint (kg of CO2e)not knownnot known2.91 kg CO2e
Buttons quantitynot knownnot known3
Wireless rangenot knownnot known20 m
Battery lifenot knownnot known12 months
Connectionsnot knownnot knownBluetooth Low Energy and USB receiver
How to usenot knownPlug-and-play wireless receivernot known
Wireless technologynot knownnot knownBluetooth Low Energy