Features 1.EFFICIENT CONVERSION: Unique cassette player that quickly converts old tapes to MP3 format and tapes to digital files via USB cable. Also suitable for laptop CD writers. 2.DETACHABLE EXTERNAL SPEAKER: Cassette to MP3 converter with detachable external speaker, easy to carry, high definition sound quality, enjoy retro melodies. If the speaker does not work, please make sure it has been rotated to the correct position. 3.PRACTICAL PLAYER: Used as a cassette player, can also be used to play sound music tapes perfectly through the 3.5mm earphone or 3.5mm AUX jack in the car (earphone included). 4.WIDE COMPATIBILITY: The cassette to MP3 digital converter is compatible with for Windows XP 7 and more, you can enjoy the clear sound quality of even the oldest bands. 5.COMPACT AND PORTABLE: Rediscover your old cassette tapes on the go, this tape to MP3 converter featuring a portable design that can be played and transferred anywhere. specificationItem Type: Cassette to MP3 Converter Material: Plastic, Electronics Recording Format: Wave, MP3 Power Supply: 2 x AA Dry Batteries (Not Included) or USB Interface PackageList1 x CassettetoMP3Converter1 x Wired Earphone 1 x USB Power Cable 1 x User Manual