E20
Easy to move around during class
Walk around the classroom, the sound covers 100m², and your throat won’t get tired after a day of classes
Equipped with a large battery that is three times larger than the market model, the battery life is comparable to that of a mobile power bank, which is more than enough for a day of use.

Small and exquisite design, one-piece storage, easy to carry when taking photos outside
The unique and exquisite design can be held in one hand at a light weight of 265g, which ensures the appearance and allows you to wear it without any pressure。

Audio frequency
Power supply and battery