E8 2 in 1 VHF Wireless Dual-Channel Microphone, Style:Headset

1. Frequency Band: VHF 2. Mute Control: Noise Lock 3. Frequency Offset: -/+11kHz 4. Frequency Response: 80Hz-15kHz 5. Frequency Stability: -/+0.005% 6. Signal-to-Noise Ratio: Greater than 60dB 7. Distortion: 0.5% (1kHz) 8. Number of Channels: Single Channel/Dual Channel 9. Sensitivity: -70dB 10. Operating Distance: 50 meters in open areas 11. Receiver Power Supply: 3.7V/18650/1200mAh Lithium Battery 12. Microphone Power Supply: AA Battery (Not Included) 13. Transmit Power: 20mW 14. Frequency Range: 200MHz-270MHz 15. Output Mode: Independent and Hybrid Auto-Selection 16. Package contents: Receiver x1, Microphone x1, Lithium battery x1, Charging cable x1, Headset or lavalier microphone x1, Adapter x1, Instruction manual x1, Color box x1