About introduction of  laptop cooler pad  XC-011 with speaker: Specification:USB spec:2.0 full speed*Class D amplifier Speaker drive: R/Left 1.5’ 2.4w*2*Connected to PC by USB port*Low noise cooling fan:48*15mm, Level<20dB*Power supply: DC5V/500MA*Product-size :383.25*301.05*29.3mm *Weight:1.2Kg Function:1. Scientific angle can make you very comfortable when you surf for long time.2. Very good sound quality make you enjoy your computer game or cinema3. Very effectively cooling down your notebook and protect your laptop , so you can surf very fast for long .4.  Importantly you have no need to buy speaker or sound box for your laptop.  Our digital speaker  and cooler just help you to enjoy your game and cinema,  convenient and saving-power OEM and ODM are welcome.