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 or 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