E1 UHF 1 to 2 Rechargeable Wireless Microphone(Blue)

1. Frequency Band: UHF
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%
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
12. Microphone Power Supply: 3.7V/18650/1200mAh
13. Transmit Power: 20mW
14. Frequency Range: 500MHz-690MHz
15. Output method: Independent and hybrid automatic selection

Package contents: Microphone x2, Receiver x1, Lithium battery x3, Charging cable x1, Anti-slip ring x1, Windproof cotton cover x2, Adapter x1, Instruction manual x1, Color box x1