?720° Rotation & Water Resistant: the unique double socket arm with 1" balls phone mount provides 360°+ 360°adjustment to meet different mobile phone angle/ height requirements; design with waterproof caps on switch and USB port to dispel your upset about leaving it outside and make your riding easy even in rainy days!. ?Wide Compatibility: the clamping arms of the motorcycle wireless charger is suitable for 4.0"-6.8" large phones.(the max. thickness of (phone & case) should be =0.63". ?Auto Clamping & Self Locking & Quick Release for One-handed Operation: this motorcycle qi phone mount charger with clamping arms automatically stretching and releg design to make people place/ take out of the phones just in 1 second. It realizes one-handed operation to free your hand while riding. ?100% Firm & Double Socket 1" Balls: the motorcycle fork stem phone mount with wireless and USB C charger with stainless steel clamping feet and fork Stem spacer to ensure your mobile phones super stably mounted; the composite double socket with RAM B size 1" balls to provide most steady and flexible rotation! NEVER DROP! 100% SECURE & RELIABLE!. ?Excellent Fits: the motorcycle fork stem phone mount is specially designed to fit into the cylindrical bore wall of fork stems. The motorcycle wireless phone mount fits to fork stem holes with diameter of 0.47"-1" (12-25.4mm ). ?Wireless /USB C Charge at the Same Time: this motorcycle wireless phone mount charger allows to power mobiles by wireless, and charge cameras/MP3/MP4 through USB C at the same time. 15W wide wireless circuit built in, this item quickly charges smartphone supporting qi charging; 20W USB C output port provides much fast charging speed than conventional USB A socket.