1. CONVERT TAPE TO MP3: Our unique USB cassette player quickly converts old tapes to MP3 format via USB cable, also works with laptops and CD burners. Comes without batteries. 2. EXTERNAL SPEAKERS: Upgrade cassette to MP3 converter with detachable external speakers to save space on your travels, HD audio quality allows you to share your old memories with family and friends. 3. VERSATILE DESIGN: The USB cassette player works perfectly with any standard 3.5mm AUX jack, meaning you can use headphones, earbuds, or audio ports for your car speakers. 4. COMPATIBILITY: The tape player is compatible with Windows XP Vista and Windows 7 to Windows 11, for versions below 10.5, GNU, Linux. You can enjoy crystal clear sound quality even for the oldest tapes. 5. HIGH-QUALITY MATERIAL: Tape to MP3 converter is made of high-quality ABS material, which is strong and durable, stable in performance, lightweight, and easy to carry.