Specification:Converter format: MP3Power supply: 2 * AA battery, any USB port power supply(5V DC adapter, USB from computer,etc)Format of USB flash: Support FAT, FAT 32, ex FAT Working Time: 2 hours with 2 * AA batteryAudio channel: Stereo L/RBit rate:128KbpsItem size: 11 * 8.2 * 3cm / 4.33 * 3.23 * 1.18in(L * W * H)Item weight: Approx.186g / 6.55 ozPackage size: 15 * 10.8 * 3.8cm / 5.91 * 4.25 * 1.5in(L * W * H)Package weight: 253g / 8.93 oz With this portable and compact cassette to MP3 converter, you can easily convert your old tape to MP3 without a computer. It will directly store your music in tape to USB flash disk.Also, the device can convert in MP3 format automatically. You can also connect the USB drive to other devices, including computer, speaker or transfer to your mobile phone to play the recorded music.Features:Easily Convert Tape to MP3 This device can easily convert your old tape to MP3 without using a computer. Quite convenient for you to quickly enjoy music.Multifunctional Music RecorderYou can also connect it to radio and speaker system by cassette tape to convert the record into MP3 music.Portable & Compact DesignDesigned with sleek and lightweight outlook, the tape converter can virtually fit in your bag without taking up much space. Playback FunctionThe device includes playback function so you can easily check the recorded file.Convenient UseIndependent operation makes sure that on other device is needded to convert. Just plug the USB disk in and convert instantly.