When you crave bass in your earbuds, choose XX! The JVC XX Series Xtreme Xplosives Earbuds with Microphone (Black) are inner-ear headphones with powerful, deep bass thanks to their special Extreme Deep Bass Ports. Rubber protectors on the earbuds provide extra durability. Three sizes of silicone earpieces are provided.. 1-button remote & microphone for iPad/iPhone/iPod & Android. Extreme deep bass ports. 8.5 mm neodymium driver unit. Robust body with anti-impact "Tough Protectors". 3.94 ft cord with L-shaped, gold-plated iPhone-compatible plug. S/M/L silicone earpieces. Black