Korg C1 Air BK, Digital Piano, 88 Keys RH3 Keyboard with Real Weighted Hammer Action 3, 30 Sounds, 120 Voice polyphony, 50 Demo songs, Brilliance, Hall and chorus effects, Metronome, 2 Track recorders (max. 14000 notes), 3 Pedals, Connections: LINE OUT, MIDI (IN, OUT), 2x headphones, pedal, Bluetooth (A2DP Sink), Speakers: 2x 25W, Dimensions (W x D x H): 1346 × 347 × 770 mm, Weight (with stand): 35 kg, Design: Black matte, Incl. power adapter