Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio. SUMO FEATURES Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device. Built-in microphone for use with iPhone and other mobile phones. Includes 4 different ear gel sizes TECH SPECS Driver Diameter:...
“ These IEMs have an MRSP of $40. For that price they are not worth it. However, in many discount places, especially in Canada, you may find these @ $15 or less. If you find them for this price, grab them. I personally paid $10. Sound is great for the price. They look very rugged and feel solid, I believe they are made from aluminum. The cord is also tangle free and feels very nice....” --thug behram