Features 1. Wireless handheld uni-directional microphone to effectively give high quality sound without any hum or crackle noise. 2. The receiver with 6.35mm plug for connecting audio devices. 3. UHF wireless capability provides a stronger clearer signal and better sound quality, reducing the possibility of interference and dropouts. 4. Wireless microphones will give you the mobility and freedom of movement when to do energetic and active performances. 5. Ideal for live performance, sound reinforcement, and studio recording. Specifications 1. Receive Frequency: UHF 2. Frequency Response: 30Hz~18KHz 3. Frequency Range: 650MHz~690MHz 4. Power Supply: 2 * AA Battery(Not Included) 5. Distortion: < 0.1 6. Modulation method: digital debugging 7. Signal to noise ratio: 96dB 8. Dynamic range: 96dB 9. Delay: 2.5ms 10. Frequency points: 48 11. Transmitting power: 10mw 12. Receive sensitivity: -96dB 13. Receiver usage time: 5 hours 3.7V 450mAh 14. Charging time: 3 hours 15. Size: 24.5*5.5*5.5cm, weight: 302g Package List 1. Microphone x 1 2. Receiver x 1 3. USB cable x 1