K61 Noise Cancelling Portable Wireless Lapel Microphone for Recording

1. Material: ABS
2. Color: Black
3. Input: 220V
4. Channel: 5.1
5. Frequency response range: 20~20KHz
6. Battery capacity: 300-500mah
7. Battery Life: 8-12 hours
8. Signal-to-noise ratio: more than 85dB
9. Gross Weight: 180g
10. Product Size: 60 x13x10mm