About this item Compatible with: Studio 2.0 (Model B0500/B0501) Studio 3.0 (Model A1914) Wireless Bluetooth Over Ear Headphone Product Dimensions: 7.17 x 3.11 x 1.46 inches Package Contents: 1X Replacement Headband for Studio 3.0 Wireless 1X Screwdriver 4X Screws The color and size exactly match the original studio 3 parts, you cannot tell the difference when they are side by side, and after they are all back together, you honestly can't tell the arch band is replaced. Dimensions: 7.17 x 3.11 x 1.46 inches.