1. Play & Record Any Song - Play and record any songs your like from any app on your phone like Spotify,YouTube or Apple music. The microphone for kids built-in clearly audio and vividly sound effect can make you enjoy listening and singing anytime and anywhere. 2. Top Sound Quality & Fun Voice Change- Professional audio processor and tuning system, three layers high destiny noise reduction, Creating a stunning KTV live-sound environment and wonderful echo reverberation. Change your voice with 5 different effects,Provide much more fun to your kids. 3. Durable & Kids Safey Design- The bluetooth karaoke microphone for kids made with durable aluminum alloy material to withstand falls, impacts and crashes.Specially use UL Certified battery to ensure kids safety while charging and using. 4. Two Ways Connection & Long Time Use- You just need to connect your phone with cable or bluetooth. The kids toy microphone high-capacity battery provide over 8 hours continuous use to keep your kids birthday party going all night.