[Upgraded Wireless Microphone] --- Built-in high sensitivity professional Dynamic microphone, for greater gain while simultaneously minimizing background feedback (Signal stability, No radiation, Anti-howling, Anti-jamming, Constant frequency, Distortion less than 0.2%), transmission distance over 100 feet. Perfect for karaoke machine, stage performance, presentation, wedding, conference, church, interview, and family party.[Rechargeable Battery and Display] --- This wireless microphones and receiver both have a built-in rechargeable lithium-ion battery, which can provide about 6 hours of working time and 2 hours of full charge. Our microphone has a LED display, so you can clearly see the battery, channel and signal.[Easy to Use Microphones] --- Just turn on the receiver and wireless mics, they will match automatically. Wireless Microphone with 6.3 mm(1/4inch) to 3.5 mm(1/8inch) TRS converter and 6.3 mm(1/4inch) to 3.5 mm(1/8inch) TRRS Conversion cable, for with MIC jack speaker, Singing machine, audio amplifier, PA system, Voice amplifier and more Streaming multimedia equipment, only plug in MIC jack. Note: It is not compatible with laptop, iPad, cellphone and AV receiver.[Clear and Pristine Voice Amplifier]--- Wireless microphones with professional cardioid dynamic capsule, the system can reproduce more excellent, clear, pure and full sound and eliminate background noise and howling. Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough. Delivering 30w clear and soft sound to cover about 20000 sq.ft (1000 ).3D texture mesh cover, anti-drop and noise reduction, built-in filter cotton to prevent spray wheat, the noise reduction effect is increased by 80%Model: U-segment microphoneBattery capacity: 1200mahSpecifications: Dual microphonetype: one for twocolour: gray +goldMaterial: metalSize: 28x21x7cmPackage Contents:2 x Microphone1 x Transmitter1 x Converter1 x usb cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.