Noise reduction rating: 24db; Microphones: 4 Hi-Gain omnidirectional; Bluetooth hearing protection and enhancement; Forward focusing and 360 degree sound detection; Focus microphone amplification; Adaptive noise reduction; Rapid impulse noise protection; Compact in-ear design with 3 sizes of noise-reducing foam ear tips; Silicone in-ear tips for everyday use; Powerful updated app; Fota (firmware over the air) update ability; Enhanced app features built into preconfigured sound settings; 5 ambient sound settings: universal, clear voice, hi-frequency boost, power boost, custom; USB-C charging case; Battery life - 6 hours BT streaming