NC-A1 Bluetooth 5.0 Sound Card 12 Kinds Of Sound Effects Support Real-Time Monitoring 1. It can be used to record music, listen to music and make your voice more interesting. You can also use it as a wireless accompaniment for live streaming. 2. Efficient and practical, sensitive and gentle, can effectively reduce noise and provide excellent reverberation effect 3. Equipped with a wireless accompaniment that can be easily connected to your smartphone, tablet or other devices. 4. Applicable to: conferences, concert halls, KTV\karaoke halls, recording studios Sound card parameters: 1. 12 kinds of sound effects 2. Bluetooth compatible accompaniment 3. Dual DSP audio processing chip 4. Adjustable noise reduction 5. Lossless monitoring 6. Direct speakers 7. Cool colorful lights 8. Dimensions: about 16 x 8 x 1.3cm 9. Charging voltage: DC 5V 10. Audio interface: 3.5 11. Battery capacity: 1200mAh Packing list: sound card x 1, charging line x 1, live line x 1, accompaniment line x 1