Technogeek TG 202 Bluetooth Portable Karaoke. World’s Smallest Bluetooth Karaoke Microphone. A Musical System that helps you to discover a singer within you. Key Features : Microphone with inbuilt Amplifier, Bluetooth v 4.0 with 30 feet range and stereo coding for mic input from Your Smartphone, Tab, Laptop Etc. Portable and Handy, can be used anywhere at Home, Office, even in Your Car. Wireless mic volume, echo, on/off control. Enhance the karaoke performance from your Smartphone, Karaoke tracks available on You tube also can be used for music input. 3.5 mm audio output jack for connecting mic to earphone or external speaker. 3.5 mm audio input jack for connecting external audio source to mic. Micro USB jack for music track input for audio recording from mic. Practice & listen your music without disturbing others.