Bluetooth 037 - EXTREMELY SMOOTH BLUETOOTH 5.0 TECHNOLOGY: - Stable and Uninterrupted Connectivity: Enjoy a smoother, faster, and more stable Bluetooth 5.0 connection that covers a range of up to 80 feet, perfect for moving freely around your workspace. - Enhanced Sound Quality: Experience clearer and more vibrant sound with smarter mode, making it ideal for both music and calls. - Perfect for Mobile Professionals: Stay connected and productive with ease in any environment, from office to home.

Bluetooth 037 - BOTH ENTERTAINMENT AND HEARING PROTECTION: - High Noise Reduction Level: Protect your hearing with a 25dB noise reduction rating (NRR) while still enjoying high-quality stereo sound. - Effortless Charging and Use: Equipped with a 1100mAh lithium battery and fast-charging cable, ensuring long-lasting use and quick recharging. - Comfort and Durability: Designed with a comfortable headband and soft, breathable ear pads, making it ideal for long-term use in noisy environments like construction or woodworking.

Bluetooth 037 - WORK SAFELY AND COMFORTABLE: - Ideal for Various Professions: Perfect for building, lawn mowing, woodworking, and landscaping, with top-notch hearing protection suited for noisy work environments. - Comfort and Focus: Enjoy uninterrupted work and a focused mindset with long-term wear comfort and support.

Passive 012 - Excellent Noise Reduction (NRR 28dB/SNR 33dB): - Designed for Maximum Protection: Offer excellent noise reduction with a 28dB noise reduction rating (NRR) and 33dB sound isolation (SNR), ensuring your ears are shielded from harmful sounds. - Engaging Sound Experience: Thanks to the 1.18-inch deep ear cup design, you can enjoy your music without compromising on sound quality.

Passive 012 - Adjustable & 360° Rotations: - Perfect Fit for Any Head: Enjoy a customizable fit with an adjustable headband and 360° rotatable ear cup design, perfect for any head size and shape. - Convenient Adjustments: Simply pull or push the earmuffs off the metal rope to adjust the fit easily, ensuring a comfortable and secure placement.