Check the listing for details. Plugfones Guardian Plus Earplug, Headphones, Blue/Yellow. Condition: New. Listed at 34.99 USD. PLUGFONES GUARDIAN PLUS™EARPLUGS WITH AUDIO, BLUE YELLOWPlugfones Guardian Plus Earplug, Headphones, Blue/Yellow FEATURES SoundSeal™ Noise-Suppressing TechnologyInterchangeable ComforTwist™ Foam Plugs with Noise Reduction Rating (NRR) of 23 dBInterchangeable ComforTiered™ Silicone Plugs with Noise Reduction Rating (NRR) of 26 dBIsoTalk™ Noise Isolating MicQuickdraw™ Easy Access ControlTuned SpeakerDouble-Reinforced JackSweat-ResistantIndependently Tested and Compliant with ANSI S3.19-1974 Noise Reduction StandardsMeets NIOSH Criteria and OSHA Guidelines When Used to OSHA RegulationsUnique Patented Design WHAT'S INCLUDED Guardian Plus™ Earplugs with Audio(1) Pair Interchangeable ComforTwist™ Foam Plugs(1) Pair Interchangeable ComforTiered™ Silicone PlugsWaterproof CaseCable Management ClipQuick Start Guide SPECIFICATIONS Length: 54"Weight: 0.5 ounces (14 grams)Speaker Type: Tuned