- Ultra-low distortion amplifying circuit.
- karaoke, treble and bass independent adjustment.
- Built-in MP3 encoding supporting U disk.
- Unique acoustic appearance design.
- Professional treble and bass gain controlling circuit.
- Built-in battery for outdoor activities.
- Built-in professional high-effective loud-speaking unit.
- Suitable for adaptor and charging.
- Intelligent power switch charging circuit.
Mode key is used to switch radio status in order to use radio key-pressing function; if the receiving frequency needs inputting manually, press the numbers on remote control directly to input the frequency of radio station.