49 Keys: Full-size electronic keyboard with 49 keys, perfect for kids and beginners Built-In Rechargeable Battery: No need for constant battery replacement, can be recharged via USB Karaoke Function: Includes a wired microphone for singing along while playing Multiple Tones and Rhythms: 16 preset tones and 8 preset rhythms to explore and create music Record & Playback Mode: Record your music and play it back for review or practice Compact & Portable: Lightweight and easy to store, perfect for home or on-the-go use Built-In Stereo Speakers: Provides clear and vibrant sound for music and karaoke sessions Aux Input & Mic Input: Connect external devices or use the microphone for vocals Adjustable Volume: Customize the sound output with easy volume controls Power Saving: Auto power-off feature for energy efficiency