Shenzhen Zhongke Lanxun Technology (also known as BLUETRUM) is a company that develops and sells wireless audio system-on-chip (SoC) products. Its offerings include chips for Bluetooth audio devices, smart wearables, wireless microphones, toys, and AI voice recognition, as well as products supporting Bluetooth 6.0 specifications. The company supplies these products to manufacturers of earphones, speakers, headphones with active noise cancellation, and IoT devices.