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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, bass, 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 message before you give the bad feedback, if the products have some problems. Thanks for your understandings.