The Coby Slim Portable Compact CD Player is a simple, yet functional solution for your portable audio needs. This personal music player will allow you to listen to your favorite music, no matter where you go! SPECIFICATIONS 3.5mm AUX jack 2 AA batteries required. DC power input: requires an AC/ DC power adapter (not included) The Comfort Plus boasts a reliable sound & exterior you can count on to last through any endeavor. They're the best Bose around-ear headphones, period. Comfort + headphones feature exclusive Bose advancements in noise reduction technology. You hear less noise and more of your music and movies-with quality sound and a long-lasting comfortable fit. You won't find this combination of benefits in any other around-ear headphone.