Brand New Calvin Klein Speaker Zipper Case w/Pouch. Has an inside zipper pouch for money or credit cards and an outside wrist strap. On/off switch inside. Connects to phones, iPods, MP3 players with built in headphone jack wire. Case is meant for sunglasses and also has a built in speaker. Measures approximately 6.75 in long, 3.75 in wide and 3 in high. Requires 2 AA batteries not included. Feel free to contact with any questions.