Defy Slim by ISO tunes Sport 
The next generation of hearing protection with Bluetooth 5.0
Auxiliary cord included
Noise Reduction Rating: 21dB
Hearing Protection Rating: SNR 27dB
Weight: Ultralight 310 grams
Connection: Bluetooth technology keeps your device connected up to 30+ feet
Design: Ultra slim for maximum comfort and performance
Microphone: Blocks out steady-state noise for clear calls in loud environments
Battery: up to 25 hr battery life
Less than 2ms response time
Color: OD Green