M20 Electronic Earplug

Noise reduction rating +NRR22
- Intuitive one-button operation
- Rechargeable, high battery life
- 2 sound effects (indoor and outdoor)
- Power, low battery prompt
- Automatic shutoff after charging, automatic shutdown after 2 hours standby
- Portable, comfortable and compatible
- Anti-lost silicone Retention cord
- 3 sizes of earpieces cover and eartips
- The included data cable can be used for charging
- IPX-4 water resistance