Walker's Suppressor Earbuds - The new Suppressor Earbuds deliver reliable noise protection with a 25dB Noise Reduction Rating and split-second Sound Activated Compression, which effectively blocks sharp sounds such as gun blasts. Four omnidirectional microphones (two per earbud) ensure crisp, clear audio, while full dynamic range HD speakers deliver balanced sound. These earbuds are capable of delivering up to 9 hours of runtime per charge, for a total of 36 hours’ worth of use with the included charging dock. Suppressor Earbuds are designed for all-day comfort with the included three sizes of memory foam tips, locking fins, and silicone tips for a custom fit. Features Sound management technology protects and amplifies sounds based on the situation Two microphones per earbud improve sound clarity, so you know where noises come from Dynamic speakers deliver enhanced audio output Split-second SAC (Sound Activated Compression) safeguards hearing from loud noises A 25 dB NRR provides a high level of hearing protection in a compact, comfortable design Three sizes of locking fins, silicone foam tips, and silicone in-ear tips for exceptional comfort The USB charging case keeps lithium-ion batteries operational Earbuds deliver up to 9 hours of runtime, recharging in two hours The storage case provides as many as three charges on a full case for up to 36 hours of use A soft-touch control surface ensures simple, intuitive operation Included USB-C charging cable Auto shutoff IP54 water- and dust-resistant rating