Tzumi PopSolo Karaoke Microphones make great guests at any party - and are designed to make you the star of any scene. The PopSolo Microphone is compatible with any Bluetooth-enabled device (version 4.1), including all iOS and Android smartphones and tablets. It is designed with a built-in retractable smartphone holder, which will securely hold devices in place with screens up to 6 wide so you can always see the lyrics to your songs. | The PopSolo boasts a lightweight HD enclosed speaker and 1300 mAh rechargeable Lithium battery that provides up to five (5) hours of clear, quality singing and recording time from just one two (2) hour charge