VXI Talkpro SP-1 Monural Headset product# 201435 Talkpro SP-1 Monural Headset with Gentex noise-canceling microphone. This lightweight, ultra-comfortable headset is especially good for speech recognition applications. Designed for all-day wear, very durable and technologically advanced. Recommended for use with the CT Switch (model #200136) and compatible with all VXI amplifiers and with the USB Lower Cord (model #V200667). Key Feature Gentex noise-canceling microphone Ultra comfotable fit for all day wear 270 degree swivel earpiece with soft, cupped cushion for comfort and better sound Durable components for 24/7 use: high-impact engineered plastic, stainless steel adjustable headband, highly flexible microphone boom that stays in position, and high impact quick disconnect Left or right side microphone placement MECHANICAL SPECIFICATIONS Cables: Stranded wire, PVC insulation, polyurethane jacket Connectors: Gold plated; quick disconnect Microphone Boom: Flexible gooseneck / Swivels 270 degrees for left or right ear placement Headband: Stainless steel adjustable band; Ratchet positioning Weight (without cord): Monaural - 1.5 oz / Binaural - 2 oz Cord: Terminates in a quick disconnect connector Cord length: 2' 1''