Use with any standard audio device. 3.5mm audio jack and 38.5-inch earbud cable. Retractable cord. Media device not included. 1.25" H. Imprint area is 0.00" H x 0.00" L on 1-1/8" Dia. 1 color only and includes a 1 Colour Imprint on 1 Location. Packaging: Individually Poly Bagged.. Please call for rush delivery availability or multi-colour/multi-location imprints.