Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Midiland S4-7100 Plus Digital 5.1 Computer Speaker System
Product description: The MidiLand S4-7100 digital 5.1 computer speaker system features a full theater experience with five satellites, a subwoofer, and the ADS (Audio Digital Station) 3000 with wireless remote. The small, desktop satellites adjust to either a 15- or 25-degree angle for optimal sound imaging. The large 6.5-inch subwoofer is wood-enclosed with a shielded magnetic structure. It also contains a gold-plated RCA input jack to provide the best signal possible. Each compact, 2.5-inch satellite speaker produces 10 watts of power, while the subwoofer pushes out 50 watts of power, for a combined 100-watt audio system., The included ADS 3000 offers full Dolby Digital 5.1 Surround Sound decoding, while also including a fully functional, IR remote for major system controls: power, test, mute, and mode. The ADS 3000's prominent LCD screen displays customizable speaker adjustments such as bass levels, volume, balance, and speaker delay., The MidiLand S4-7100 comes with all the necessary audio and interface cables as well as an instruction manual for guided installation. The speakers come with a three-year limited warranty.
Product feature: 5 satellite speakers and subwoofer, Features Dolby Digital 5.1 Surround Sound decoding, Includes the ADS (Audio Digital Station) 3000 with wireless remote control, Combined 100-watt computer audio solution, Contemporary metallic styling
Product brand: Midiland
Target attributes: Use
Answer: attribute: use
value: computer speaker
source: product title
attribute: use
value: computer
source: product feature
attribute: use
value: computer speaker
source: product description