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