Electric blowpipe - small and stylish, unique design style, multiple functions, to meet your different needs. Endurance - small body, big energy, 4 hours long battery life, built-in -capacity lithium battery, fully and can enjoy playing for 4 hours. Material-environmentally friendly detachable mouthpiece, environmentally friendly materials, strong, durable, flat mouthpiece, more in line with the shape of the mouth, improve the comfort of playing. Function - Practice with external headphones, say goodbye to disturbing others. In the first semester, you can practice with external headphones, and you 't have to worry about neighbors complaining anymore. High quality - Sensitive adjustment of air blowing, making playing more comfortable, built-in high-fidelity speaker Built-in 2W high-fidelity speaker, you can play directly without connecting the speaker. size: 342 x 37 x 26mm Material: ABS colour: White Package Contents: 1 x electronic blowpipe 1 x charging cable 1 x storage bag 1 x Mouthpiece set 1 x english manual Only the above package content, other products are not included. Note: Light reflection 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.