Overview: With this cassette tape to MP3 converter, you can easily convert your old tape to MP3 without a computer, you just need to plug a USB flash disc on then press the "record" button, and the device will convert all of the music on tape to your USB Flash disc in MP3 format automatically. You can also playback on it, or just put USB Flash to other places (computer, portable speaker, or transfer to your mobile phone, etc.) to play the recorded music. Features: Easily convert your old tape to MP3 and save it into USB Flash Drive, no computer needed. Record in manual mode or in auto mode. Automatically or manually partition songs of tape. With Playback, you can check the recorded music on the device. Audio output enables you to listen on your headphone, or other speaker systems. Support audio input, you can record music from other sources with a 3.5mm audio cable (not included). 2 AA battery or USB power supply selections. Small size, can play and convert anywhere. Note: If you want to edit your recorded MP3 files, you can use a free software, Audacity Specification: Converter format: MP3 Power supply: 2 * AA Battery, or USB port power supply (5V DC adapter or USB from PC) Working Time: 1 hour with 2 * AA battery Audio Channel: Stereo L/R Bit Rate: 128Kbps Color: Black Main Item Size: 11.6 * 9.0 * 3.4cm / 4.56 * 3.54 * 1.37in Main Item Weight: 154g / 5.45oz Package Size: 15.8 * 11.4 * 4.5cm / 6.22 * 4.48 * 1.77in Package Weight: 249g / 8.79oz Package List: 1 * Cassette to MP3 Converter 1 * Headphone 1 * USB Cable 1 * User Manual (English)