Klipsch's Image S4i earbuds are a dramatic sound quality upgrade for your iPhone, iPod, or iPad ? or any portable music player. These convenient in-ear headphones offer full control of the music loaded on your favorite Apple device. (See Hands-on Research for full compatibility info.) The tiny wide-range speakers in each earbud deliver dynamic detail and punchy bass. Your music will sound clear and natural, whether you're rocking out to a killer guitar riff or relaxing to a smooth jazz beat. Control your iPhone, iPod, or iPad with ease A three-button remote control built into the cord lets you answer and end calls, control the volume of your calls or music, and pause, play, or skip through your songs. It also has a 360 microphone with echo cancellation, so your voice will come through clearly and you won't have to worry about any surrounding noises drowning you out. Patented earbud design for super-comfortable listening Klipsch's patented oval-shaped ear tips naturally fit the contours of your ear canals, providing better comfort and sound isolation than conventional circular-shaped ear tips. The soft ear gels also create a tight seal to help minimize outside noise, so you can enjoy your music at lower, safer volumes. Four sizes of ear tips are included to help ensure a good fit with your ears. The S4is also feature angled housings for proper in-ear alignment that reduces strain on your ear canal. A compact, crush-resistant aluminum case provides safe storage for your earbuds. Product highlights: sound-isolating earbud design 360 in-line microphone for clear phone conversations built-in 3-button remote control lets you answer and end calls, turn the volume up and down, and control music playback dynamic moving coil micro speaker in each earbud frequency response: 10-19,000 Hz sensitivity: 110 dB impedance: 18 ohms piano black finish with silver accents includes an assortment of soft washable ear gels for a comfortable fit 51" straight cord with stereo mini plug includes carry case What's in the box: In-ear headphones + microphone with attached 51" cord terminated by a male 3.5mm connector 3 Pair of silicon single-flange ear-pieces (S/M/L) 1 Pair of silicon dual-flange ear-pieces Shirt-clip Soft carrying pouch Owner's Manual