For more specs on the headsets you can view Sensears website directly. Digital Hearing Protection (Over the Head). Hearing Protection that Enhances Speech and Enables Situational Awareness. Talk to one another face to face in noisy environment (up to 95dB). Limit in-ear noise exposure to 82dB. Remain aware of surrounding noises and hazards. Protects against all types of noise. Rechargeable battery (lithium ion). Durable and lightweight design. The item “Sensear SM (Over the Head)” is in sale since Tuesday, July 15, 2014. This item is in the category “Business & Industrial\Facility Maintenance & Safety\Personal Protective Equip/PPE\Ear Plugs & Ear Muffs\Ear Plugs”. The seller is “paintballtyler068″ and is located in Garnet Valley, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Dominican republic, El salvador.