1. Mini does not occupy the desktop 2. Dual speakers 3. USB power supply mode, 3.5mm audio interface, compatible with most electronic devices on the market, such as mobile phones, desktop computers, notebook computers, etc. 4. Does not support volume adjustment 5. Note: The mode of connecting to a computer and a mobile phone is the same. It can only be used when the USB is powered. Plug an audio output separately. If the USB interface of the audio is not powered, the audio cannot be used. 6. Speaker unit: 4 ohms (anti-magnetic) 7. Input power supply: USB power supply (5V) 8. Frequency response: 20Hz-100Hz
