Klein Tools AESEM1 Earmuffs incorporate both hearing protection and Bluetooth® technology into a single solution keeping you safe from the elements and connected to your music. Remarkable 70-Hour runtime coupled with an ergonomically engineered vented headband and memory-foam ear cushions provide comfort all-day long. Simplistic 3-button design which features oversized buttons allow for easy identification even when wearing gloves.

• Earmuffs with a low-profile design provide passive noise isolation up 20dB NRR effectively reducing exposure to damaging sounds in noisy environments.
• Experience captivating stereo sound with rich bass, balanced mids and clear treble from 40 mm drivers.
• Rechargeable 800 mAh battery lasts more than 70 hours on a single charge for all day and week use.
• Vented headband design helps dissipate heat effectively providing cool comfort in warm environments, while also accommodating baseball caps for comfortable fit.
• Environmental noise cancelling microphones filter out background noise for enhanced call quality and experience in loud settings.
• Intuitive and simplistic 3-button design for easy navigation and identification even with gloves.
• Durable construction with 6.6-Foot (2 m) drop protection and IP54 rating.