ISOtunes Air Defender Bluetooth Ear Muffs (NRR 24) foam it is not a portable

it is not a portable rechargeable machine

Crafted from high-quality

specially formulated foam liners and innovative ear cushions to help improve attenuation

* European standard EN 352-2:2002 – by Notified Body no

EP5s come in three sizes—small

ISOtunes Air Defender Bluetooth Ear Muffs (NRR 24) foam it is not a portableComfortable, Convenient, Classic. This ultra comfortable and easy to use Bluetooth earmuff is a simple solution for any loud environment . Over 20% lighter than other ISOtunes earmuffs, AIR DEFENDER gives you 40 hours of listening and talk time without any pain or discomfort. Ultra lightweight Memory foam ear cushions and headband ANSI certified 24 dB NRR OSHA compliant hearing protection SafeMax Technology limits volume to 85 dB Up to 40 hour battery