Description: Heavy-duty industrial, steel footswitch made using only high-quality materials for added durability. ABS plastic foot tread for non-slip switch activation and optimal comfort;It provides a Bluetooth or USB interface. Weighted base with non-skid pads provides added stability,foot switch cover provides ample room for safetytoe shoes. Non-slip base pads prevent foot switch from sliding on smooth surfaces,internals employ heavy duty gasketto prevent water, oil, or dust intrusion. Widely used in musical instruments, multimedia, industrial equipment, wireless custom keyboard and mouse, mobile game shortcuts, etc. Specification: Bluetooth coverage radius10m Bluetooth versionBluetooth 3.0 Working current 3mA Stand-by time about 2 years Switch service lifeMore than a million times Support wire ;include Bluetooth and USB interface Size: approx.141x131x35mm/5.55x5.16x1.38inch Size Chart: This product is compatible with Android Windows, iOS Mac OS.Press the pedal for 6 seconds , When red and green lights are flashing the keyboard is in pairing , then you can use a mobile phone or computer to connect to the keyboard. Red and green flash: pairing , you can use computers, mobile phones or any other devices supporting Bluetooth features to search the keyboard after the pairing. Red light flashreconnect , indicating that the keyboard is connecting to the last paired device. Green light: indicates the data sending is normal after the pairing is successful. Package Includes: 1 Piece Pedal Switch 2 Pieces AAA battery 1 Piece 1.5m USB Android Line 1 Piece Certificate of Quality