Rechargeable Wireless Microphone&Receiver]Both microphones & receiver can be rechargeable. No need to buy extra batteries Microphone built-in 1300mAh rechargeable battery can be used up to 6 hours after fully charged.[Multi-scene Application]The rechargeable wireless microphone with portable mini receiver and 1/8" to 1/4" adapter perfect for karaoke party, DJ, wedding, business meetings, classroom activities, church, outdoor or indoor performances.[Operating Range]30m(98ft)wireless operating range with amazing vocal sound quality. UHF transmission technology offers strong and stable wireless signal, and no worried about the sound will be cut in and out during use.[Plug n Play]Plug and play, no need other setting.Perfect for Outdoor Karaoke Speaker, PA Speaker System, Power Amplifier, etc(Notice: 1.Not For Phone, PC 2.If you use it on soundbar, pls use the included RCA cable to connect the receiver and soundbar 3.Cant be used on soundbar without RCA L R Jack ). Material:MetalFunction:PORTABLE, With LED lights, Church, Singing, WeddingPolar Pattern:CardioidType:Dynamic Microphone, 2 Channel Wireless MicrophoneSignal To Noise Ratio:80DBFrequency Response Rate:80HZ15KHZMaximum SPL:130dBSensitivity:-43DB2DB