4 in 1:This handheld wireless microphone can be used as a karaoke microphone a song recorder and a Bluetooth speaker. Wireless Bluetooth microphone is supporting being paired to Android iPhone PC via Bluetooth. The karaoke Microphone machine supports a two-way connection. 【Support Bluetooth:】 Use mobile phone Bluetooth to synchronize avoid music and inconsistent pronunciation comfortable. 【Support MP3:】 There is a USB input port at the bottom of the microphone which supports MP3 format music Playback and the function is extremely powerful. 【Compatibility:】The Bluetooth karaoke microphone is compatible with all Bluetooth devices supporting Android iPhone iPad IOS and all Smartphones. Wireless Bluetooth microphones also can support devices with TF cards USB AUX and radio functions. 【Excellent Sound:】A professional audio processor and tuning system designed with a smart chip and three-layer noise reduction indulging you in wonderful sound effect reverberation and allowing both yourself and others to enjoy the lovely voice. 【Long battery Life:】The handheld portable Karaoke machine has a 1200mAh battery for up to 6 hours of singing enjoy the smartphone APP KTV karaoke effect. With the echo model our karaoke microphone can bring a surrounding immersion.【 Easy to use:】4 in 1 Wireless Bluetooth Karaoke microphone with multi-function buttons easy to switch to a different model adjust volume sing and play music. Besides a wireless Bluetooth microphone is compatible with various singing applications. 【Strong compatibility:】The Bluetooth karaoke microphone is compatible with all Bluetooth devices supporting Android iPhone iPad IOS and all Smartphones. Wireless Bluetooth microphones also can support devices with TF cards USB AUX and radio functions. Karaoke Microphone is a wonderful ideal Gift for Christmas Parties Celebrations Birthdays. Use wireless Bluetooth karaoke microphone to let the music not stop let the singing reverberate and let the happiness last forever!