Fifine Wireless Microphone System is great for home karaoke, performance, doing duets and public speaking. 1/4'' input for extra wireless mic (not included but could be found from Fifine) to have three mics work together. Portable receiver can be carried to anywhere for different applications. Enjoy using this wireless microphone system! What You Get 1x Wireless Receiver, 2x Handheld Microphones (Using 2 AA batteries per mic), 1x1/4’’ Audio Cable (L: 39''), 1x3.5mm Audio Cable (L: 59''), 1x3.5mm to RCA Audio Cable (L: 59''), 2X Anti-rolling Rings, Users’ Manual and Useful Instructional Video. ATTENTION: This package only contains the wireless microphone system. You still need to have an additional audio device (PA speaker or amplifier) to output the sound. !! We do not recommend to use with portable bluetooth speakers lower than 15 watt, such as JBL charge, Doss touch.