Features 1.Tape to MP3 Converter: Our unique cassette player can quickly convert old cassettes to MP3 format, cassettes to digital files via USB cable. Also works with laptop CD writer. 2.Detachable External Speaker: Upgraded cassette to MP3 converter, cassette to digital converter equipped with removable external speaker, HD sound quality allows you to enjoy nostalgic melody with your family and friends.Detachable design save rooms for your journey. 3.Multifunctional Player: Work as cassette player, and also can perfectly play your sound music tape via 3.5mm headphone or 3.5mm AUX jack in your car (headphone included). 4.Compatible OS: Our cassette player can compatible with for Windows XP, for Vista and for Windows 7, for OS X older than version 10.5. By transferring your cassettes to MP3 in a quiet room, you can enjoy crystal clear sound quality with even the oldest bands. 5.Portable and Convenient: Compact and lightweight design allows for easy portability, making it perfect for use at home or on the go. Allows for recording in both WAV and MP3 formats, providing flexibility in choosing the format that suits your needs. specificationItem Type: Cassette Player Material: Plastic, Electronics Recording Format: Wave, MP3 Power Supply: 2 x AA Dry Batteries (not Included), Or USB Port Power Supply PackageList 1 x Cassette Player 1 x Detachable Speaker 1 x Software CD ROM 1 x Power Cord 1 x Instruction Manual NoteIf the speaker do not work, make sure it have been rotated to the right position.