Introducing the Konix PJ61B Electronic Keyboard – 61 keys of musical versatility. With 129 tones, 128 rhythms, and 30 Demo Songs, it's a dynamic musical canvas. Enjoy seamless connectivity with hot plug technology and a user-friendly digital display. Explore dynamic functions, including Bluetooth MIDI, for a modern touch. Record, edit, and save your music effortlessly through software. Compatible with major sequencer software and supporting both Windows and Mac systems. With a built-in speaker and external audio support, power it up with USB 5V or the built-in 1100mA li-ion battery. CE and RoHs certified for quality assurance.