Specification: With colorful LED lights, it will bring you visual and auditory enjoyment. It also provides direct USB power so hooking it up is easy. This is a large-diameter full-frequency vibrating speaker, which has the advantages of deep bass, rich midrange, and clear treble. Equipped with a woofer, the bass is rich and powerful, bringing you high-quality bass. This is a magnetic speaker that can bring you a different listening experience. It can connect to PC, laptop, mobile phone, MP3, MP4 and DVD. Project Name: Loudspeaker Quantity: 2Pcs Output power: 3W Connection type: 3.5mm audio jack Power: USB Separation: greater than or equal to 40dB Signal-to-noise ratio: greater than or equal to 80dB Frequency: 25HZ to 20kHZ Channel: 2.0 material: plastic Features: Colorful LED lights, with woofer, magnetic, high quality bass Dimensions: 10cm x 6.5cm x 7cm/3.94" x 2.56" x 2.76" (approx.)