The Lot Of (27) Lenovo Thinkpad USB-C Dock USB 3.0 - 40A9 is a passive cooling docking station designed for Lenovo laptops. It features audio out, Ethernet (RJ-45), and multiple USB 3.0 ports, making it a versatile accessory for expanding connectivity options. The dock is compatible with various Lenovo models and is equipped with a built-in USB port for added convenience. Manufactured in China, this docking station is a reliable solution for enhancing your laptop's functionality.