Walkers Suppressor Earbuds Hearing Amplifier 25dB 1 Pair Black OSFM. 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. Specifications for Walkers Suppressor Earbuds Hearing Amplifier: Manufacturer: Walkers NRR: 25 dB Color: Black Battery Type: Lithium Ion Quantity: 1 Pair Features of Walkers Suppressor Earbuds Hearing Amplifier Earbud-style sound management technology protects and amplifies sounds based on 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 in the presence of 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 a personalized fit Included USB charging case keeps lithium-ion batteries operational fully recharging in as little as 2 hours Earbuds deliver up to 9 hours of runtime recharging in as little as 2 hours 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 Package Contents: Walkers Suppressor Earbuds Hearing Amplifier Walkers GWP-SUPR: Suppressor Earbuds Hearing Amplifier 25dB 1 Pair Black OSFM