1. Double antenna reception, the signal is stronger and more stable
2. High sensitivity and stronger directivity
3. Use high-quality metal mesh head to effectively protect the sound head module that converts sound into audio signal
4. Built-in high-sensitivity sound head, strong pickup
5. Sound filter cotton is installed inside the mesh head to effectively filter external noise
6. Anti-skid pad on the bottom
7. Working temperature: -30 to 60 degrees Celsius
8. Working range: 2-50 meters
9. Audio response: 80-18000Hz
10. Working current: host: 200mA, microphone: 100mA
11. Sensitivity: 12 decibels
12. Host adapter: input: AC 110V, output: DC 12V / 1A
13. Microphone power supply: 2 AA batteries (need to buy by yourself)
14. Product list: power supply + 6.35mm audio cable + conversion plug + manual + host + microphone
15. Dimensions: host 13.5x4.5x19.5cm, microphone: 24.6x5cm
16. Weight: 1.15 kg (1 set)