How to Use: Use directly Specification: Item Type: Computer Speakers Material: ABS Power Supply Mode: USB DC 5V 600mA Frequency: 30Hz-15KHz Channel: 2 Sound Source: 3.5mm AUX Cable Separation: >=35dB Signal to Noise Ratio: >=65dB Output Power: 2 x 3W Application: For Macbook, for ASUS, for Lenovo, for ThinkPad, for HP, for Dell, for Acer, for LG, for Google, or more. Package List: 2 x Speaker