Stand alone, no computer required. Automatic partition. With Playback, can check the recorded music on device. Mini USB power. With 3.5mm and 2 audio input selections. Record analog music in USB drive or SD card, no computer required Automatic partition each song With Playback With music digitizer, you can easily convert your old analog music to MP3, and save into USB drive or SD card without computer, and it can automatic partition each songs of all the music. You just need to plug USB drive or SD Card in then "Record" button, the device convert all music on your device in MP3 format automatically. You can also playback to check files on it, or put USB drive or SD card to other place (computer, portable speaker,etc.) to play them. Colour: silver Material: ABS Package Contents: 1 x recording box 1 x remote control 1 x USB cable 1 x audio cable 1 x English manual Note: remote control not includes 2 AA battery. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.