The Versa Earbuds can be used with any standard audio device. The reusable round case stores the earbuds and the set includes a 3.5mm audio jack and 46 inch earbud cable. Complies with Prop 65. 0.81" H x 2" W. Imprint Area is 0.00" H x 0.00" L on 1-1/2" Dia., 1 color only . Please call for rush delivery availability or for multi-colour, multi-location imprints.