Tough Tested heavy duty jobsite noise control Earbuds are built for noisy, demanding environments, either on the job or off. They are ideal for tradesmen, landscapers, construction, military, motor sports and other indoor/outdoor recreation or sporting events. These Earbuds have a certified noise reduction rating (NRR) of 23 dB which provides protection against outside noise influences that may damage hearing over time. The EQ-Voice technology and halo 360 microphone offer great fidelity for music and clarity for calls. They are IP64 certified for water, sweat, and dust resistance. IP64 rating provides protection from dust, sweat, and water Certified NR (Noise reduction) rating of 23 dB Kevlar reinforced cables and heavy gauge wire combine for maximum wear and durability EQ/Voice technology and halo 360 microphone offer great fidelity for music and clarity for calls 3 button music and volume control unit for use with Apple devices Center button for play/pause/answer/end with most Android devices Comes with 2 sizes of flex foam ear tips, medium and large, and 2 sizes triple flange tree tips, medium and large, to fit any ear Ideal for tradesmen, landscapers, construction, military, tough jobs and noisy urban areas