About this item Compatible with: Perfect replacement for studio 3.0 wireless headphones (model a1914) and studio 2.0 wired/wireless (model b0500/b0501) Attention: the original logo was covered; you need to remove the label or the protective film to find the original logo Product Dimensions: 7.13 x 3.07 x 1.46 inches The color and size exactly match the original studio 3 parts, you can not 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. Product Dimensions: 7.13 x 3.07 x 1.46 inches