NEW! This is the ultimate keychain for the turbo enthusiast! The Boost Keychains battery powered V4 Turbo Keychain spins, emits a spool up sound while holding the ON button, and will emit 2 different blow off valve (BOV) sounds when you release the button (OFF)! Also includes a handy built in LED light.
Matt Black finish
Turbine spins with a push of a button
When ON button is held, will emit a turbo spool up sound
When button is released (OFF), will emit 1 of 2 blow off valve sounds