Features: Experience performances with rechargeable bluetooth-compatible wireless Microphones Set, featuring advanced technology for a stable connection and interferences sound, perfect for karaoke and parties. This wireless Microphones set includes two adjustable microphones, and Bluetooth-compatible connection for easy pairing with your devices. Suitable for home KTV enthusiasts, party organizers, this Microphones set enhances your vocal practice and entertainment experiences with professional grade sound quality. Suitable for various setting such as home karaoke, outdoor picnics, and small performances, providing clear sound and engaging atmosphere. Perfect wireless Microphones for singing, churches, weddings, karaoke, and DJs. Specifications: Component:Metal Microphones parameters: Operating voltage: 3.7V Microphones sensitivity: -51dB+3dB B channel Microphones frequency: 572.5-586.5MHz Signal to noise ratio: 280dB Battery capacity: 3.7V 400mAh Transmit power: 16dBm Operating current: 90MA A channel Microphones frequency: 552.5-566.5MHz Reverberator parameters: Working voltage: 5V Input current: 1.5A Receiving sensitivity: < 106dB Working current: 220mA Communication distance: 12M Microphones:Approx.16.5x3cm/6.5x1.18inch Mixer:Approx.14x10x4cm/5.51x3.94x1.57inch Package Includes: 1 Set Karaoke Microphones note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.