Battery Type: None. Brand: Technika. Headphone Socket: Yes. Integrated Amplifier: No. Interface: USB 2.0. Magnetic Shielding: No. No of Batteries Required: N/A. No of Satellite Speakers: 2. Power Option: Mains Only. Remote Control: No. Speaker System: 2. Subwoofer: Yes. Treble or Bass Controls: No. Volume Control: Yes. Wall or Desk Mountable: Wall & desk.