【Bluetooth Adapter for PC】Equip your aging desktop with wireless Bluetooth functionality, enabling seamless connections to your devices like Bluetooth mice, keyboards, headphones, speakers, and printers. Note that it's incompatible with Macs, car stereos, or TVs. Tuck it in your pocket wherever you go since it’s compact and lightweight. | 【Upgraded Bluetooth 5.0】Upgraded Bluetooth technology-BT5.0 + EDR-featuring an extended transmission range of 66FT/20M, faster data transfer at 3Mbps, and reduced power consumption. Support dual-mode Bluetooth transfer via Full-speed USB 2.0/USB 1.1 interfaces. Backward compatible with Bluetooth 4.2/4.1/4.0/2.1/2.0. | 【Driver Installation Requirements】To ensure a seamless experience, please install the driver before use: Scan the QR code from the manual to download the driver, or through the EDUP website as the link: szedup.com/search/3519. Compatible exclusively with Windows 10/8/8.1/7 (not support macOS or Linux). | 【Multi-Device Efficiency and Anti-Interference】Enhance your computer's capability to manage multiple devices concurrently. Advanced anti-interference features and technology enhancements reduce transmission efficiency loss caused by interference in the 2.4 GHz band. This facilitates smooth operations with various peripherals, such as Bluetooth headsets, stereos, keyboards, mice, and more, enhancing convenience and meeting diverse demands. | 【Warranty】We offer a three-year manufacturer replacement warranty that is unconditionally guaranteed, along with a 90-day no-questions-asked return policy. Should you require any assistance, please reach out to us directly via Amazon message.