GE5 2 in 1 Wireless 2.4G Handheld Microphone(Black)

1. Configuration: 2.4G 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 75dB 7. Distortion: 0.1% (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 polymer battery 12. Microphone Power Supply: 3.7V/18650/1200MAH lithium battery 13. Transmit Power: 15mW 14. Package contents: Receiver x1, Microphone x1, Lithium Battery x2, Charging Cable x1, Anti-slip Ring x1, Windproof Cover x1, Adapter x1, Instruction Manual x1, Color Box x1