Klein Tools Cat. No. AESEB2 Elite Bluetooth Jobsite Earbuds effectively block out noise up to 25db while simultaneously delivering an impressive stereo audio experience with deep bass, detailed mids and crisp treble via Bluetooth 5.2 technology. Impact-resistant charging case up to 10 feet (3 m) not only supplies a full 24 hours of runtime but features a built-in LED screen to easily view the charge status of both the earbuds and case. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.