SteelSeries In-Ear Gaming Headset - UFC Edition - Red (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Driver Unit : 13.5mm for extreme bass with a Frequency response : 20Hz - 20KHz In-line Microphone and controls - Cable Length: 3.9' Compatible with all Smart Phones and Tablets Official UFC Logo