Extra-firm goose neck absorbs vibration?? providing a stable viewing environment.</br>Easy to install?? no tools required.</br>Suitable for: mobile phone / smart phone / PDA / MP3 / MP4 devices which width between 40mm-80mm</br>Rearview clamp adjustable thickness: 2.3 - 4.0 cm</br>100% brand new and high quality</br></br>Product Description</br></br><br> Specifications: <br> 100% brand new and high quality <br> Extra-firm goose neck absorbs vibration?? providing a stable viewing environment. <br> Easy to install?? no tools required. <br> Suitable for: mobile phone / smart phone / PDA / MP3 / MP4 devices which width between 40mm-80mm <br> Rearview clamp adjustable thickness: 2.3 - 4.0 cm <br> Color: Black <br> Package Include: <br> 1PC Car Rearview Mirror Mount Holder Stand Cradle For Cell Phone GPS</br><br/>http://www.amazon.com/gp/product/B01B2MP90U