1. Double olecranon clamping, titiipa ati ki o ko ipalara awọn iṣan, atilẹyin lagbara ti nso ati egboogi-isubu.
2. Agbara oofa ti o lagbara pẹlu apẹrẹ apẹrẹ ṣiṣu, lero bi igbadun ina ati didara.
3. Iwọn kekere ati pe ko ṣe idiwọ wiwo naa.
4. Ni ibamu pupọ fun awọn foonu 4.7-6 inch.
![HC-11-黑色 (1)](https://www.yisonearbuds.com/uploads/HC-11-黑色-1.png)
![HC-11-黑色 (2)](https://www.yisonearbuds.com/uploads/HC-11-黑色-2.png)