ACCOMPANIMENT KEYBOARD WITH SPEAKERS The LK-S450 is ideal as an entry-level model. With its 200 preloaded songs from a wide range of genres it allows users to practice at their own pace, while guided by the illuminated keys. The keyboard can also be linked with the Chordana Play app using the optional WU-BT10 Bluetooth® adapter to link the piano roller-type notation system displayed on the smartphone or table screen with the keyboard's key lighting system. This not only makes it easier to start playing the keyboard, but it also makes practicing really fun! 600 sounds, 200 rhythms, AiX sound generator, 61-key keyboard with lighting system and touch sensitivity, speakers with horizontal Bass Reflex system, Surround function, Layer and Split functions, Metronome, Step Up Lesson guided learning mode, recorder, My Setup function to customize the keyboard with our favorite settings, compatibility with the Chordana Play app, power supply via adapter or batteries, Bluetooth MIDI/Audio adapter WU-BT10 optional. Dimensions 930?258?84 (mm), weight 4.5 kg. Included items: power adapter, instruction manual, strap hooks.