The Quest™ Edge 4+ Personal Noise Dosimeter is available in Bluetooth and non-Bluetooth models and features a color screen. The Bluetooth connectivity allows users to monitor multiple dosimeters from the Quest™ Edge dB app. The measurement settings can be programmed to test for compliance to various government or association standards including OSHA PEL, OSHA Hearing Conservation, ACGIH, MSHA, and country-specific regulations.