Block out the world around you with The Tranq noise-cancelling wireless headphones! Measuring 8″ x 6 1/2″ x 2 7/8″, these convenient and stylish headphones feature high-definition Bluetooth 4.1 wireless technology and dynamic stereo sound. An LED light indicator tells you when they are in use, and they are extendable from 7″ x 8″. They also include a built-in microphone and volume buttons, and they come with a zippered travel case. Up to 10 hours of play time. Customize with an imprint of your company logo and message for maximum brand exposure. Pump up the volume on your promotional campaign today!