【 Size 】 : 200 (L ) × 75 ( W) mm 【 Products】 : A compact electronic guitar , only the guitar part of the Neck . Neck part of the guitar chords of seven (AG) select button , adjust the side to set up four minor , seven chords or chromatic , descending chromatic button. The product is able to position the piano should be given an infra-red , length is about 30 cm , the player to play the guitar just the way cut off infrared , built-in speaker will sound , but also with " tilt sensor " , You can enjoy the sound through the body tilt effect of a change , like the truth degree is very high. Built-in 10 guitar tracks, including Are You Gonna Be My Girl (Jet), Walk This Way (Aerosmith), and Smoke on the Water (Deep Purple) and so on . Set of two playing guitar models are included with the advance of 10 while playing the music accompaniment of " pre- music playing mode " , and by push-button "free play model " , in the free play mode, can play The chord type is about real guitar Bacheng . Within the health microphone, adjustable volume level or use headphones to listen to , not afraid to wake other people can connect audio / amplifiers / TV as a speaker to use , it can be accessed by ipod/mp3 for recording , use the 7 batteries x 2 ( sales The product does not contain batteries) , can be used continuously for 4 hours.