Wired Mini Portable USB Speaker Music Player Amplifier Loudspeaker Stereo Sound Box for Computer Desktop PC Notebook Laptop Description: Product Name: Multimedia Audio Size: 310 X 60*70MM Speaker size: 57MM Power: 2X3W Interface type: USB Connection method: 3.5MM audio jack Signal to noise ratio: 75dB Channel: 2 Power supply mode: need external battery Number of speakers: 2 Shell material: ABS Scope of application: TV, computer, mobile phone, outdoor Specifications: Feature 360 surround sound quality, 2 speakers, 2 sound guide holes, anti-magnetic and noise reduction Exquisite appearance, each side is exquisitely simple and elegant knob design, both beautiful and easy to use Dual speakers, louder Flat bottom, can stand on the desktop anytime, anywhere Golden diaphragm, Lixian advanced The audio-visual is more shocking, with 2 units of sound, dual speakers, 3D stereo, treble, bright, ba, full restoration of live listening, and enjoy an immersive experience Package Included: 1*speaker (with 3.5mm audio cable and USB charging cable on the back) Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a meage before you give the bad feedback, if the products have some problems. Thanks for your understandings. .