Wired USB Speakers Mini Computer Speaker 3D Stereo Surround Speaker For PC Laptop Non-bluetooth Speakers There are two kinds of product specifications: the normal version and Bluetooth version. Specifications: Material: ABS Color: black, white Number of speakers: 2 Speaker power: 3W*2 Speaker size: 2 inch Adjustment method: USB Frequency response range: 30HZ-15KHZ Features: - Direct USB power supply, easy connection. -Colorful LED lights (upgraded version) will bring you visual and auditory enjoyment. -High-powered speaker. Large-diameter full-frequency vibration, deep bass, rich midrange and clear treble. -Rear bass trumpet, thick bass, to bring you high-quality bass. -High magnetic speaker, give you a different listening experience. -Can connect PC, laptop, mobile phone, MP3, MP4, DVD . Mobile phone, MP3, MP4, DVD Must use 5V 600mA or above charging head sound is better after plugging in host Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the pictures detail sizes with yours, please allow 1-to-1 error. 3cm, due to manual measurement. If you have any problems. Please contact the seller's customer service. Get more friendly help. Thanks for your understanding.