Upgraded LED screen digital display accurate power display
Fully compatible, can adapt to various mobile phones/tablets/laptops and other devices with Bluetooth function.
The neck hanging is preferably made of medical liquid silicone material, which is elastic and soft like a baby's skin.
Two-point support design, firmly fits the auricle, and is still close to the ears when worn without feeling strenuous exercise
"Upgraded LED screen digital display accurate power display Fully compatible, can adapt to various mobile phones/tablets/laptops and other devices with Bluetooth function. The neck hanging is preferably made of medical liquid silicone material, which is elastic and soft like a baby's skin. Two-point support design, firmly fits the auricle, and is still close to the ears when worn without feeling strenuous exercise"