Battery Type: Not Specified. Brand: Philips. Features of Product: Ideal for notebook. Click and go portability. USB plug for power. Battery Option. Works with Mac and PC. Headphone Socket: No. Integrated Amplifier: No. Interface: USB 2.0. Magnetic Shielding: No. No of Batteries Required: Not Specified. No of Satellite Speakers: 2. Power Option: Battery & Mains Adaptor (included). Product Depth: 10.5 cm. Product Height: 17.5 cm. Product Weight: 0.655. Product Weight Units: kg. Product Width: 19.5 cm. Remote Control: No. Speaker System: 2. Subwoofer: No. Treble or Bass Controls: No. Volume Control: No. Wall or Desk Mountable: Desk only.