Xtech Unixon Wireless handheld UHF microphone

• Wireless handheld bidirectional microphone to enjoy freedom of movement in activities like karaoke, group events, religious ceremonies, in the classroom, or performances where you need a professional setup
• 10 UHF automatic channel detection to avoid unwanted noise or interference and providing high quality sound transmission
• Rechargeable receiver with a 1200mAH lithium-ion battery provides up to 7 hours of usage and fully recharges in about 2-3 hours
• Wireless signal transmission range of up to 82ft with stable and reliable sound reproduction
• Features a ¼in to 3.5mm jack adapter to connect it to a 3.5mm microphone input on speakers, karaoke machines, audio amplifiers, PA systems and other compatible devices 

Microphone

• Polar pattern: Bidirectional 
• Frequency band: U band 
• Frequency response: 50Hz-18KHz 
• Distortion:  ≤0.3%
• Sensitivity (1KHz): -52.5±1dB/mW 
• Maximum Sound Pressure Level: 120db
• Output power:  0.45W 
• Switch: On/Off
• Number of channels:10 automatic channel detection
• Microphone power:  2 AA battery (not included)
• Housing material: ABS

Receiver

• Connection type:  U band wireless transmission 
• Battery type: 18650, 1200mAh lithium-ion battery 
• Input voltage: 5VDC, 1A
• Battery capacity: 3.7VDC, 1200mAh
• Working hours:  Up to 7 hours 
• Charging time: 2-3 hours
• Wireless RF frequency:  A: 750-759MHZ(750) Frequency interval: 1MHZ 
• Wireless range: Up to 82ft**
• Sensitivity: 20mV
• Switch: On/Off 

Specifications

• Applications: All devices compatible with a ¼in or a 3.5mm microphone input connector, like karaoke machines, party speakers, audio amplifiers, PA systems, etc.* 
• Dimensions: 9x2x2in
• Weight: 0.7lb
• Cable length: Micro USB charging cable: 47in