Earbuds For Major League Music Fans Sport Buds are for players. They are 100% comfort driven, in-ear headphones that let you show off the sports you play and love. We've included three sizes of silicone ear tips so you'll always have a perfect snug fit. These in-ear headphones fit iPod, IPhone and 3.5mm plug music players. iPod and iPhone are trademarks of Apple, Inc., registered in the US and other countries. Comfortable, secure fit. Includes three sizes of ear tips. Frequency: 20Hz-20KHz Sensitivity: 93dB +/-#dB/1KHz Impedance: 16 ohms +/-20% Plug type: 3.5mm Included: 3 sizes of ear tips (S,M,L)