Displayed is a portable USB speaker in red. It comes with a patented expansile resonator design for extending the space of resonance. It is applicable to various kinds of digital player devices, such as MP3 players, laptop computers and mobile phones.

• 3.5mm audio plug.
• Net weight: 56g.
• Speaker: 36mm.
• Input: 380mV(L/R).
• Power output: 1.7W.
• S/N ratio: >80dB.
• AMP frequency range: 280Hz to 16KHz.
• Charge voltage: 5V to +0.5V.
• Suitable temperature: 0°C to 40°C.