The Round Up Earbuds are for use with any standard audio device. Includes a 3.5mm audio jack, a 50 inch earbud cable and a case that doubles as an earbuds holder. Complies with Prop 65. 1.75" H x 1.75" W x 0.25" L. Imprint Area is 0.00" H x 0.00" L on 1-1/2" Dia. 3 color max centered on body. Please call for rush delivery availability or for multi-colour, multi-location imprints.