Lenovo is one of the world's leading personal technology companies, producing innovative PCs and mobile internet devices. Now, 286 on the fortune 500 lists, Lenovo is the world's largest PC vendor and fourth largest smartphone company. While the Lenovo brand came into existence only in 2004, the company has a much longer history. In 1984, Legend Holdings was formed with 200,000 RMB in a guardhouse in China. The company was incorporated in Hong Kong in 1988 and would grow to be the largest PC company in China. Legend Holdings changed its name to Lenovo in 2004 and, in 2005, acquired the former Personal Computer Division of IBM, the company that invented the PC industry in 1981. Today, Lenovo is a US$47 billion personal technology company with more than 57,000 employees (including joint ventures) in more than 60 countries serving customers in more than 160 countries. Lenovo has major research and manufacturing centers in countries around the world. Bluetooth 5.0: 10 meters effective distance, more stable connection, no disconnection, low power consumption, the newly upgraded Bluetooth chip has more powerful transmission efficiency, and zero delay can be achieved when playing games; Connect when pairing and opening the cover: pick up the pairing and support back-connection; HIFI sound quality listening experience: dynamic dual-frequency unit, biomolecular diaphragm, AAC decoding sound effect, taking into account vocal music; 300MAH large capacity battery: long-lasting battery life, TYPE-C flash charging interface; One-key touch: AI smart touch, simple and fast; Binaural HD call: Dual MIC call noise reduction, ENC HD call, CVC call noise reduction, just like face-to-face communication, without fear of interference; Comfortable to wear without falling: suitable for ergonomic design, long-wearing without pain, light and no pressure, and can't be shaken off during exercise; Fully compatible: mobile phones and tablets can be used, compatible with mainstream Bluetooth devices, and support multiple APP platforms; Single and dual ear independent mode: Regardless of the main and auxiliary phones, single and dual ears can be used independently, and two mobile phones can be paired independently; AI intelligent voice assistant: Easily wake up, call, check the weather, and ask for navigation, all with one sentence.