Safariland Liberator HP-R 2.0 Ear Muffs. The Liberator HP provides enhanced hearing protection in all environments including those with impulse/gunfire noise and high-decibel constant background audio. The wearer is protected while advanced sound localization allows for maximum situational awareness and sound detection. Specifications for Safariland Liberator HP-R 2.0 Ear Muffs: Manufacturer: Safariland Quantity: 1 Size: One Size Battery Type: Lithium Ion Age Group: Adults Package Contents: Safariland Liberator HP-R 2.0 Ear Muffs Safariland Liberator Hp-r 2.0 Black - TCI-LIBHPR-20-BLK