V9SJ Multifunctional Live Sound Card External Audio Mixer Features: 1. 20 popular sound effects, the live sound card supports male, female, baby and other sounds. 2. Supports Bluetooth wireless accompaniment and instantly enjoys the convenience brought by the sound card. 3. Using DSP audio chip, the signal is stable, the sound quality is good, and there is no delay. 4. Supports two microphones to be connected at the same time, and the treble, midrange, and bass can be adjusted independently, making it easy to use. 5. Compatible with mobile phones, computers, and tablets, suitable for recording movies, interviews, videos, online singing, and anchor live broadcast microphones, and can record high-definition audio. Specifications: 1. Bluetooth version: 5.0 2. Bluetooth protocol: Supports Bluetooth Piconet and Scatternet networking protocols, as well as A2DPAVRCPHFPHSPOPPHIDSPPPBAPGATTSM and other protocols 3. Bluetooth audio decoding: SBC 4. Bluetooth transmission radius: 3m 5. Bluetooth compatible devices: mobile phones, tablets, computers 6. Connection method: wireless Bluetooth connection 7. Live broadcast equipment support: mobile phones, computers 8. Microphone interface: 3.5 condenser microphone 9. Support channel: dual channel 10. Sound card battery: DC 5V820mAh 11. Music playback time: 5H without lights (calculated based on maximum power consumption and 100% volume) 12. Sound card charging method: external adapter DC 5V 1A charging 13. Sound card full charging time: about 3H 14. Standby time: 6H 15. Shell material: ABS 16. Product size: 165 x 140 x 50mm 17. Product weight: 310g