2 in 1 Multifunction deign: Ballpoint Pen +Teacher's PointerThe teaching pen is scalable, suitable for close teaching.Take off the pen cap, it can be used as a ballpoint pen, writing fluency.Pen-sized and lightweight that you can put it your pockets or handbag.Ideal presentation tool, widely used in the teacher teaching, and academic meetings occasions.
El sintonizador de instrumentos de viento eno ET 3000W admite modos de sintonización de micrófono y clip para flauta de trompeta de clarinete de saxofón
