The Radians Vertex Electronic Earbuds in Black-Gray offer superior hearing protection with their unique combination of cutting-edge features. Equipped with an impressive NRR of 85 dB these in-ear earbuds utilize the advanced R3200 Dual Mic technology which incorporates two independent microphones to amplify low-level sounds while compressing potentially harmful noises. This ensures that you can enjoy enhanced situational awareness without compromising your hearing safety. The rechargeable Li-ion battery provides long-lasting power making these earbuds both eco-friendly and cost-effective. Additionally the compact folding design allows for convenient storage and portability. With a 3.5mm stereo input jack and included patch cable these earbuds seamlessly connect to most smart devices offering versatility and practicality for any user.