No more fear of disturbance! Plug in headphones can enter silent mode, alone to enjoy their own musicspace: the headphones can enter playback mode, play you sing, we gethigh! More with a dial-type volume knob can adjust volume at . Intelligent self-learning system: It has a variety of ways to practice grid climbing, five types of fingered scales,eleven types of chord practice, pre-prompts playing grade by liquid crystaland metronome, intelligent real-time determination of playing right and wrong.real-time display of scale grade chart and playing right and wrong. High fidelity CD sound quality: 44.1KHZ high sampling frequency and 32-bit sampling accuracy,acoustic guitar and electric guitar tone switch at , while havingtwo kinds of guitar two kinds of guitars, so you can easily performfolk and rock Rolling two classics. No tuning, no hand injury: of guitar strings with custom spring tension stud adjustable patentedtechnology, the user can adjust guitar strings according to their own feelarbitrary tightness, And this intelligent guitar's tuning-free function, to achievethe guitar string tension adjustment does not affect intonation, no need tobuy a separate tuner, it is a real gentle guitar does not hurt fingers! Features: 7 fret mini size smart guitar real guitar, real guitar voice and feel of playing Mini size, easy to carry and store Built-in 2000mAh rechargeable battery (USB charging) Built-in speaker, headphone/speaker jack out Bluetooth connection with apps Timbre: Acoustic Guitar and Electric Guitar Digital capo:-2 capo - 20 capo Instructions for use: 1. Please check whether product is in good condition before use. 2. Please wash and keep it properly after use. 3. Due to different production bat, product details . Color:Black Material:Metal Package Contents: 1 * Electric guitar 1 * Charging cable Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.