8mm Dynamic Drivers Passive Noise-Isolating Design Up to 8 Hours of Playback time Charging Case with 24 Extra Hours IP54-Rated Dust & Water Resistance IPX2-Rated Water Resistant Case 10-Minute Quick Charge for 2 Hours Built-In Mic for Hands-Free Stereo Calls Hear Yourself on Calls with VoiceAware Talk Thru, Smart Ambient & Ambient Aware
