Up to three switches via 3.5 mm TRRS port with optional adapter
Connects to any USB port just like a USB keyboard
Compact - smaller than a pack of chewing gum
Any contact closure can be converted to a USB HID command
Accepts 3.5 mm mono, stereo, or TRRS plugs

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.5 inch
Height : 2 inch
Length : 7.5 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B00Q34LQ6O