Walker's Rechargeable Ultra Ear BTE Electronic Earplugs - Rechargeable behind the ear electronic earbuds. Rechargeable 48 Hours Battery Life On A Single Charge Lightweight, Compact Behind-The-Ear Design Can Be Used In Either Ear On/Off Switch Db Limiting At 105Db Noise Reduction Rating 22Db Can Be Used In Either Ear 3 Sizes Foam Ear Tip 3 Bottom Cell Batteries Brush And Wax Pick/Screwdriver USB Charging Cable