Features:  Guitar-shaped electronic piano with 37-key keyboard, you can interpret various musical styles with 4 timbres.  Compact structure & light weight & lovely appearance, equipped with a shoulder strap, it can be placed on the table or carried on your back. With 10 demonstration songs, you can choose to let the piano sing continuously or on demand.  With the volume knob, the volume can be adjusted at will. With a mini microphone, an audio jack and a headphone jack, it supports microphone function.  With a built-in 3.7V lithium battery, long service time, support indoor and outdoor use.  Suitable for interest cultivation, parent-child interaction, imagination creation and talent training, playing at any time.     Specifications:  Item Size: Approx. 55 x 11.2 x 3.8cm;  Tones: 4;  Demos: 10;  Power Supply: 1 * 3.7V 1200mAh built-in lithium battery;  Colour: Red / White;  Gross weight: 23kg;  Material: ABS.     Package included:  1 * Electronic Keyboard Piano;  1 * Shoulder Strap;  1 * Mini Microphone;  1 * Audio Cable;  1 * USB Cable.     Note:  1.Only the above package content, other products are not included.  2.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.