Best Gifts?The lightweight handheld karaoke microphone is portable and easy to hold, the comfortable touch feeling both suit for adults and 3+ years old kids to practice and share the favorite songs on music app by connecting the microphone with your smart device, it is a great birthday or festival gift for your kids, friends or family. TWO WAYS CONNECTION?— Cable USB Connection & Bluetooth Connection, the wireless karaoke microphone can easily connect via Bluetooth or 3.5mm audio jack to your iPhone/Android Phone/Tablet/PC. You can also insert a TF Card to use the microphone. 4 in 1 Karaoke Microphone?Portable hand-held wireless microphones can be used as microphone, Bluetooth speaker, loudspeaker, recorder. Mini home KTV for music playing and singing at any time. Superior Sound Quality?Two-channel stereo speakers, three-layer mesh filter reduces noise propagation. Professional audio processor and tuning system, creating a stunning KTV live-sound environment and wonderful echo reverberation. "No Standalone lithium batteries are sold with the product".