1. Four learning positions, each with 1/4” and 3.5mm jacks and individual volume control2. Rugged ABS plastic casing for durability and school safety3. Permanently attached 6’ cord with 1/4” and 3.5mm plugs connects with media players4. Silver-plated contacts prevent “crackling” sound heard with other jackboxes when connecting5. Skid-resistant pads at each corner won’t scratch surface6. Two predrilled holes to permanently affix to countertop• Ideal for use in literacy groups, listening centers, ELD/ ELL and Special Education applications and Language Labs