i360 Music Infused Sportband For 2G iPod Shuffle & 1G, 2G, iPod Nano (Black, Red) Designed for 1st and 2nd generation Apple iPod Nano. Compatible with 2nd generation iPod shuffle and 4th generation iPod Nano Video. Also compatible with Nike + iPod system. Custom thin speaker casing provides increased sound quality and bass response eliminating the dorky ear muff look. FABRIC CONTENT: 94% Cotton / 6% Polyurethane interlock knit.