Tool-free assembly, easy to assemble and disassemble: Suitable for diameter 22-28mm.It attaches not only to the handlebars, but also to the top tube or center bar A perfectly adapted viewing angle: the swivel joint allows the phone to be rotated 360° in all directions.The height of Handy can be adjusted using the 2 telescopic arms The protective cover is completely closed, it can completely protect your cell phone from splashing water, rain, snow, mud, sand and dust.Therefore, nothing can happen to the phone even off the roads Due to the clarity of the screen protector, the touchscreen, Face-ID, front and rear cameras work well (home button Touch-ID is not available).Connections can be routed through the bottom openings.Depending on your needs, you can connect headphones to your cell phone by cable while driving or charge your cell phone with a power bank using a charging cable Compatible with cell phones with screen size less than 6.7 inches: works with any iPhone, Android smartphone and GPS devices, iPhone 11 Pro, 11, X, 8, Samsung Galaxy S5, S6, S7, S8, HUAWEI P40 Pro Plus, Huawei P30, Honor ,LG, Nokia, etc.