Shipping is free to Amazon Prime members or on orders over $25. About this item: Charging for Home and Office: Now you can experience wireless charging day and night with one PowerWave Pad at work and another at home. Wide Compatibility: Support for all Qi-enabled devices including iPhone X, XS, XR, XS Max, 8, 8 Plus as well as Samsung Galaxy S10, S9, S8, Note 10, Note 9, Note 8. The Need for Speed: A high-efficiency chipset provides 10W high-speed charging for Samsung Galaxy, while iPhones get a boosted 7.5W charge. For best results, use a Quick Charge 2.0 or 3.0 adapter (9V/2A) for Samsung Galaxy and iPhone charging. Case Friendly: Don't fumble with your phone case. PowerWave charges directly through protective cases. Rubber/plastic/TPU cases less than 5 mm thick only. Magnetic and metal attachments or cards will prevent charging.