U1 is a Speedingiot portable small reader, which can be connected to ios, android and other intelligent system platforms through Bluetooth interface, and can also be connected to computers through Type- c. Wristband design, better improve comfort. To change the original UHF electronic tags, special reading and writing equipment must be used to realize the miniaturization, light weight, low cost and civilian use of UHF readers, and promote the real popularization of RFID application system engineering. The technology to achieve the purpose of identification has the advantages of large data capacity, no contact reading and writing, high confidentiality, long life, and strong anti-interference ability. It is more and more widely used in the fields of industrial automation, commercial automation, transportation management and logistics management.