- 600 hours long life.
- Use one meter for 2.5 months.
- Drop-resistant and durable.
- Medical silicone soft touch.
- Rotate right and left to adapt to the left and right ears.
- Intelligent noise reduction, removing noise.
- Volume and mode memory function, 3 seconds automatic memory, without frequent debugging.
- One-touch switching mode, 4 kinds of hearing mode switching.
- Battery type:A675 or AG13. This is easy to buy at a local store.