2.5mm or 4.4mm balanced upgrade cable for 99 Classics and 99 Neo. Will also work with any 3.5mm TS connection headphone.

• 1.3m (4.2 ft) OFC Silver Plated
• 2.5mm or 4.4mm TRRS balanced connection
• 2 x 3.5mm TS connection
• Soft transparent TPU coating