ISOtunes Xtra 2.0 Earplug Earbuds: OSHA Compliant Bluetooth Hearing Protection, 27 dB NRR Sound Isolation, 85 dB Volume Limit, Up to 11 Hour Battery Life, Noise Cancelling Mic (Black) REED the higher the number

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ISOtunes Xtra 2.0 Earplug Earbuds: OSHA Compliant Bluetooth Hearing Protection, 27 dB NRR Sound Isolation, 85 dB Volume Limit, Up to 11 Hour Battery Life, Noise Cancelling Mic (Black) REED the higher the numberBlock Noise: memory foam eartips expand like earplugs, protecting you with 27dB NRR noise isolation. SafeMax Technology: 85 dB volume limiter ensures that your music is always at a safe listening level. All Day Battery: up to 11 hours of battery life on a single charge and ready to work overtime. Magnetic Earbuds: keep your headphones safe and secure and pause music with multi function magnets. XTRA Tough: the IP67 certified XTRA 2. 0 are water,