Details: Otto E1-QC2NC132 - Otto Loc Ear Bud with Foam Cover - xOtto-Loc Product Specifications: Earbud with foam cover Requires Otto-Loc One-Wire or Two-Wire Kit Otto Loc - Interchangeable Ear Piece System Two piece headset system (Requires One or Two Wire Kit Plus a Chosen Earpiece (5 earpiece styles to choose from) Advantages: Allows multiple users to share one headset by allowing interchangeable earpieces Excellent for inexpensive replacement of earpieces when earpieces wear out Allows user to vary earpieces depending on application Each Otto Loc interchangeable ear piece requires a one or two wire kit
