E-volve Fast Forward Sports Armband for MP3 players & phones in size: M / color: Black/Silver / compatible with (Cowon iAUDIO 6 7 / U5 / 9 / i9) To fit MP3 players / phones up to 100 mm x 50 mm x 12 mm Velcro strip with 3 settings to fit all sizes of arm (22 cm - 40 cm) Simply styled headphone cord wrap takes up slack Credit card pouch 2 earphone ports (bottom left and right) to accommodate any device