I SCRATCH Is An Ipod Sound Effect Mixer Device. - Line Output Can Be Recorded. * It Has Special Sound Effect Programs With DJ Scratch Simulation - JOG Wheel Simulates The Scratch Feature On A DJ Turntable * The I SCRATCH Can Be Used With Two Different Combinations Of Signal Sources. Sound Effects Of Flanger/Echo/Trans/Pan/Filter - Power Supply: 5V 110/220 V * The IPod Will Be Charged When Inserted Into I SCRATCH. - Dimensions: 5.4"" W x 8.9""D * One Universal IPod Docking Stations Accept All IPod Models. * It Has Special Sound Effect Programs With DJ Scratch Simulation - JOG Wheel Simulates The Scratch Feature On A DJ Turntable * The I SCRATCH Can Be Used With Two Different Combinations Of Signal Sources. * The IPod Will Be Charged When Inserted Into I SCRATCH. - Dimensions: 5.4"" W x 8.9""D * One Universal IPod Docking Stations Accept All IPod Models. * I scratch is an ipod with sound effect mixer device and the line input can be recorded. * Sound Effects Of Flanger/Echo/Trans/Pan/Filter - Power Supply: 5V 110/220 V