Product details of Kisonli - AC 9001 Wood PC Speaker, Computer Speaker With USB 110V/220V. Product name:USB 2.0 wooden computer 2.0 speaker. Model Number:AC-9001. Power Output:3W*2. Speaker size:100(W)*104(D)*203(H)mm. Other details:MODEL NO:AC-9001. Speaker Driver: 45mm*2. Material:Wooden; Output Power: 3W*2; Power:USB power 5V or AC 220V; Solution:8403*2 IC.