Dual-Mode Connection and Long Transmission Distance: Supports 2.4G wireless and Bluetooth connections, allowing simultaneous connection to 2 devices (2.4G + BT) with easy switching, meeting the needs of multiple devices. The 2.4GHz wireless technology provides a stable long-range transmission up to 33 feet (about 10 meters), ensuring a stable connection. Rechargeable Battery: Built-in high-quality rechargeable lithium battery with Type-C charging design, providing long battery life without the need for frequent battery replacements, making it convenient and eco-friendly. A single charge can last up to 20 days*, saving the hassle of frequent battery replacement. *Based on 6 hours of use per day. High-Resolution DPI: DPI can seamlessly switch between 800/1200/1600 levels, meeting the needs of different usage scenarios, from office document processing and web browsing to gaming entertainment. Ergonomic Design and Silent Buttons: Conforms to ergonomic principles, offering a comfortable gri