Soft Velvet Cover.

Memory foam Optional.

MP3 AUX input available.

Power supply by AA batteries (not included)

Unit Pack : 1 set / color box, 6 sets / carton, Carton size : 31* 38.5* 57.5cm (2.42')

N.W. : 5.5 kgs / G.W. : 6.5 kgs

20'ft : 2,460 sets

40'ft : 5,100 sets