Additional Details ------------------------------ Product description: The CupFone adjustable phone holder fits virtually all known current mobile phones, including those with normal sized protective cases. Fully adjustable tilt and rotation allows you to easily see your favorite app like Navigation or Waze when on the road. Makes hands free voice commands easy to use along with hands free telephone calls. Allows you to leave your phone plugged in while it is in the holder and you can effortlessly, and with one hand, remove your phone from the holder or replace it without ever having to disconnect your charging cord. You never have to search for your mobile phone again, because you always know where it is. Allows you to keep your hands on the steering wheel and your eyes on the road while conveniently using your phones hands-free features. Knobs are made out of American Made Billet Aluminum, right in our Chicago Machine shop, by a couple of apprentice machinists that are learning the trade, we offer you our solid billet Aluminum knobs as an upgrade on your CupFone. If you love finely machined mechanical objects, you will love these Billet knobs. Priced like a couple of fancy cups of coffee, these billet knobs will provide satisfaction long past the 15 minutes your cup of expensive coffee will last. Cool is Priceless! Compatible phone models: IPhone 14/iPhone 13/13 mini/iPhone 12/ SE/ 11/ Xs/ XR/ X/ 8/ 7/ 6/ 6s, Samsung Galaxy Note 20/ S21/ S20/ Note10/ S10/ S10e/ S9/ S8, LG IPhone 14/iPhone 13/13 mini/12/12 mini/12 pro/12 pro max/SE/11/ XS/ XR//X/ 8/7/SE, Google Pixel 5/4A 5G/4A/4 XL/ 4/3a XL/3a/3 XL/3/2/ 2 XL/ XL, TCL, Lenovo, Motorola, HUAWEI, SONY, HTC, Xperia, Nokia, Nexus, Google Nexus 6P / 6 etc., Samsung Galaxy S21/S20/S20 Ultra/S10/S10e/S9/S8/S7 Edge/Note 20/Note 10/Note 9/ Note 8