COMPATIBLE WITH STEELIE PHONE MOUNTING SYSTEMS FOR HANDS-FREE VIEWING - The Magnetic Phone Socket Plus adheres to your phone so your device can magnetically attach to Steelie Mounts like the Dash Mount, Windshield Mount, or Vent Mount (sold separately) | POWERFUL, HIGH-STRENGTH MAGNET - The neodymium magnet and silicone center create a strong grip and smooth glide when paired with Steelie Mounts or other metal surfaces This "plus-sized" magnet has extra holding power for larger phones | FOR NEW, LARGER, OR ADDITIONAL DEVICES - No need to buy a whole new Steelie Kit when you upgrade your phone to a new larger one. Or, if you have multiple phones you would like to use with your Steelie Mount, simply purchase this additional component | UNIVERSAL, SECURE ATTACHMENT TO PHONE OR CASE - The included 3M VHB adhesive secures the Magnetic Phone Socket Plus to most any Apple iPhone, Samsung Galaxy, or Google Pixel phone. It will stay on securely as long as you want but can be removed | SAFE FOR USE WITH PHONES - The powerful magnet will NOT damage your mobile device. It can also be paired with GPS and MP3 devices. However, do not place it near magnetically sensitive objects such as credit cards, computer hard drives, or pacemakers