This portable USB speaker comes with a built-in magnet inside the speaker case for easy storage. Featuring a patented expansible resonator design, the space of resonance is extended. It is ideally applicable to different kinds of digital player devices, ranging from MP3 players to mobile phones.

• Net weight: 100g.
• Speaker: 36 x 2mm.
• Input: 280mV.
• Power output: 1.7W x 2.
• S/N: >80dB.
• AMP frequency range: 280Hz to 16kHz.
• Charge voltage: 5V, 0.5V.
• Suitable temperature: 0ºC-40ºC.