Check the listing for details. Plugfones Liberate 2.0, Wireless Bluetooth Earplugs with Audio, 26 dB NRR. Condition: New. Listed at 84.99 USD. PLUGFONES LIBERATE™ 2.0WIRELESS BLUETOOTH® EARPLUGS WITH AUDIOPlugfones Liberate 2.0, Wireless Bluetooth Earplugs with Audio, 26 dB NRR 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 dBBluetooth® 5.0 Wireless TechnologyNeverOut™ Battery with Up To 12 Hours of Battery LifeFast Charge Technology (5 Minute Charge = 2 Hours of Play)IsoTalk™ Noise Isolating MicQuickdraw™ Easy Access ControlTuned SpeakerSweat-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 Liberate™ 2.0 Wireless Bluetooth Earplugs with Audio(2) Pairs Interchangeable ComforTwist™ Foam Plugs(2) Pairs Interchangeable ComforTiered™ Silicone PlugsNylon Zipper CaseCable Management ClipMicro USB to USB Charging CableQuick Start Guide SPECIFICATIONS Length: 34"Weight: 0.6 ounces (16 grams)Speaker Type: Tuned