" WDS " brand 4 great characteristics of zither learn instrument : 
1, the teaching material is replayed (the teaching song is chosen wantonly ) and professional metronome.
2, real-time teaching (put the function slowly from 1 to 8 times)
3, the real-time beat (the speed of rhythm is chosen wantonly , the beat is counted and selected wantonly in the small matter, the weight beat is clear, the beat sound is available)
4, record and show the exercise (practise the record actually, some problem is checked) 

Various kinds of parameters are regulated independently in the figure menu of the beat.
* The beat in the measure is counted from 1 to 98 adjustably.
* The Note value with corresponding beat can be chosen: 1. Half-Note, 2. Quarter-Note, 3. Eighth Note, 4. Sixteenth Note, 5. Thirty-second Note.
* 12 tempo marks.
* The tempo is from the beat 248 times to each minute of beat eight times of each minute.
* The sound of the beat can be chosen.
* The basic tempo mark is divided into 12 shelves, including: 1 Grave, 2 Largo, 3 Lento, 4 Adagio, 5 Laghetto, 6 Andante, 7 Andantino, 8 Moderato, 9  Allegretto, 10  Allegro, 11 Vivo, 12 Vivace, 13 Presto, 14 Prestissimo, the speed shows in step .
 (Basic speed mark expresses and sees appendices one correspondingly)
* Adjust the tempo of beat directly. Will follow the change to show too in basic tempo mark at this moment. The tempo range takes 248 for each minute to pat eight times since each minute (Quarter Note).
* Half-Note, Quarter-Note, Eighth Note, Sixteenth Note, Thirty-second Note, can be chosen.
* The beat in the small matter is counted and regulated freely, from one to 98 (1-98, if choose 1 to mean not having the difference that retake lightly) in succession adjustable.
* The sound result of the light, heavy beat can be chosen freely. The sound result has the drum, small cymbals, bell (BELL), self-defining, depend on model.
* The intensity of beat is regulated, maximum 98.
* Metronome switch, in the menu at a higher level.

Dimension: 170mm*85mm*22mm. Color:chanpagne or charcoal gray optional. Weight:200 gram.
Package: 23.5cm*14.5cm*7.5cm