Fast & Reliable Qi Charging: Enjoy up to 15W fast wireless charging for Qi-enabled phones. ⚠ Works best without metal attachments or MagSafe rings, and with phone cases thinner than 4mm. Thick or metal-backed cases may block wireless charging.Adjustable Cup Holder Mount: Fits round cup holders measuring 3"–4" in diameter. The expandable base and rubber-padded claws provide a secure, no-wobble grip—even on bumpy roads. (Not compatible with square or irregular cup holders.)Long Arm & Flexible View: The quick-extension arm (range 4.13"–6.49") and 360° rotatable joint allow you to easily adjust the height and viewing angle for a comfortable and safe driving position.One-Hand Operation: Convenient one-press release design allows you to mount or remove your phone effortlessly with one hand, keeping your focus on the road.Safe & Smart Design: Built-in protection prevents overheating and overcharging. For optimal performance, use with a QC3.0 or PD 18W adapter. Not compatible with foldable phones or MagSafe-only cases.