EXCELLENT NOISE REDUCTIONRO-708 computer speakers built-in CPU intelligent noise reduction chip can filter noise, current sound, so that silence is more quiet, playback clearerLET US ENJONYING GAMES, MUSIC, MOVIES, OFFICE AND SO ONPACKAGE CONTENTS1* Main speaker1* Auxiliary speaker1* User ManualSPECIFICATIONModel: RO-708Output Power: 10WS/N: <65dBFrequency Range: 160 Hz-20 KHzPower Supply: 5V USBInterface: 3.5mm audio interfaceColor: BlackProduct Size: 7.8*8*16.5cm/3.07*3.14*6.49inchUSB Cable: 110cm (Approx. 43.3inch)