Imprint Method: UNIMPRINTED - If you have clients with a love of great sound, give them this black zipper ear buds kit. These are great for people on the go who like to keep their items in great shape. Just unzip for use and zip back up for safe storage. They have a 3.5 mm connector for use on just about any headphone jack. They also measure 46 long. Add your company name or logo using one of our imprinting methods and blast your business to the world!