SK300 Bluetooth Sound Card Live Broadcast External Sound Card K Song Accompaniment Sound Card 1. Multiple sound effects and scene modes: The sound card supports multiple scene modes and multiple sound effects. It can become the voice of children, men, women, etc., and add fun to the sound. 2. Large battery: Built-in 1200mAh large rechargeable battery can provide long-lasting power for entertainment time, avoid frequent charging, and eliminate the trouble of insufficient battery power. 3. High compatibility: Universal USB interface for charging and connecting to a computer; standard 3.5mm plug for stable audio signal input and output. Compatible with main phone and computer. 4. Wireless connection: provide wired and wireless connection. Wired connection can achieve smooth signal transmission, while BT wireless connection can bring convenience. 5. Easy to use: each button has a clear mark to indicate a specific function. The visual indicator shows the working status. The adjustment knob can meet the requirements of tuning. 6. Battery capacity: 1200mAh 7. Power input: DC 5V 2A 8. Power: 5W 9. Recording: SNR 16bit 48kHz, 90dB 10. Signal to noise ratio: 106dB 11. Product size: 23.5 x 15 x 3 cm packing list: 1 x sound card 1 x USB cable 2 x audio cable 1 x user manual