Use with any standard audio device. 3.5mm audio jack and a 46 inch earbud cable. Case doubles as a earbuds holder. Media device not included. 3.75" H x 3.75" W. Imprint area is 2.00" H x 2.00" L on 1 color only and includes a 1 Colour Imprint on 1 Location. Packaging: Bulk. Please call for rush delivery availability or multi-colour/multi-location imprints.