Sangean Portable Pillow Speaker for In-line Volume Control and Amplifier Use with any Radio, Radio Cassette, Clock Radio, CD Player or Other Equipment Fitted with a 3.5 mm Headphone Socket Low-Profile Speaker Design - The speaker and housing is designed with convenience in mind it slides easily into any pillow case for easy and convenient audio the 6.5-foot cord is long enough to reach your audio or video device sitting on your end table, nightstand, or dresser Works with Most Audio Devices - The speaker can plug into most audio devices including iPod, iPhone, iPad, MP3 players, smartphone, radios, TVs, and more Volume Control - The pillow speaker features an in-line volume control. Using the volume control, you can adjust the audio level to your listening comfort, whether catching up on the news, listening to podcasts, or falling asleep to your favorite relaxing music. Built-In 5 inch Speaker - This advanced sound technology combines finely-tuned acoustic chambers and premium stereo drivers to deliver high-quality audio that you can truly appreciate Built-In Amplifier - With the Amplifier setting on, you can easily turn up the volume to the next level. With the amplifier off, you can listen with privacy and save battery life