Rotatable pH Meter for Testing

1. The motorcycle mobile phone holder is easy to install without tools. It not only attaches to the handlebars, but also to the top tube or the center bar. The swivel joint allows the mobile phone to be swiveled 360 in any direction. The height of the mobile phone can be adjusted with the 2 telescopic arms.^2. The mobile phone bag has a waterproof zipper and a water-repellent material support. The rain cover protects your cell phone and your products in heavy rain. It can completely protect your phone from splashing water, snow, rain, mud, sand, dirt and dust.^3. The motorcycle smartphone holder has a transparent window for sensitive touchscreen operation and easy access to all smartphone functions. (The touch ID of the home button does not work through the cover).^4. The mobile phone holder offers space for your personal belongings. Such as keys, gloves and wallets, glasses, keys, gloves, cell phones, headphones. it is useful for your bike rides.^5. The universal bike holder is compatible with GPS devices up to 6.7 inches, e.g. iPhone 12 Pro Max, 11 Pro, Pro Max Xs XR X8 7 7s 6s 6 Plus, Huawei P30 Pro 10 Pro, Samsung Galaxy, Note, LG, HTC, Sony, Nokia, Nexus