Feature: 1. SPECIAL DESIGN AND NOISE CANCELING: 7.1mm motorcycle bilateral helmet headset, designed for use with motorcycle helmet. The microphone reduces noise and makes the sound clearer. 2. STEREO SOUNF AND ERGONOMIC DESIGN: This motorcycle helmet headset features stereo sound and good sound quality, providing great comfort for your ears. 3. PERFECT FIT AND UNIQUE DESIGN: The motorcycle helmet headset is compatible for Yaese VX‑3R. Earphones with hook and loop fasteners are easy to fasten, very durable and easy to use. 4. HIGH TOUGHNESS: U94 PTT part adopts high strength PTT, can continue to press 30,000 to 50,000 times. The wire adopts cold resistant PU tensile wire, with high flexibility and toughness 5. ONE BUTTON DEVICE AND CONVENIENT TO USE: Button activates PTT (one button on) device. The 7.1mm motorcycle headphone comes with clips to hang on clothes or belts. How to Use: plug and play Specification: Item Type: Motorcycle Helmet Headset Material: ABS Color: Black Frequency Response: 150Hz-500Hz Sensitivity: 46-60dB Impedance: 8 Ohms Applicable: For Yaese VX-3R Package List: 1 x Motorcycle Helmet Headset1 x U94 PTT