AN-031 Active Portable Speaker with Bluetooth specially designed for Laptop computer

Bluetooth Portable iPod Speakers AN-031Bluetooth 2.0 Built-in - iPod Dock MMC/SD Card Input - USB Input Remote control Output power: 3Wx2 Speaker Driver: 2''x2 Impedance: 4ohm Frequency response: 50HZ-18KHZ Unit dimension: 280x145x90mm Signal to noise ratio: >80dB Digital clock display