The JX-Y20 features a built-in amplifier, microphone, 23W Bluetooth decoding board, color screen, lossless recording and call recording, as well as a motherboard with Bluetooth 5V.

A large, robust tool, the core drill is designed to drill concrete and other materials using a very wide bit sometimes called a bell or a saw. Depending on the nature of the material, you can choose between dry or wet core drilling.