BK L/O Single-Pin Listen-Only Earpiece 

This is a professional grade listen-only kit to use with most any brand speaker microphones that has a 3.5mm jack. This earpiece is the ideal solution for the professional user who can't afford anything less than the best! 

Works with BKR and KNG Speaker Mics with a 3.5 mm jack.

Features:

• Hardwired to Quick Disconnect (QD) Acoustic Tube
• Kevlar® reinforced coil cable
• High-grade mini-transducer
• L-shaped jack in 3.5mm
• 3 Year Warranty