Environmental Noise Cancellation: Equipped with Quad Mics, experience a crystal clear calling experience, as ambient noises get filtered out. Long Battery Life: Playback time of upto 30 hours on a full charge. Type-C Fast Charging takes 1-1.5h for a full charge, with 1 week of standby time. Off-Axis Technology: Oval-shaped earbuds with nozzle angled at 60 degree tunnels the sound directly into the ear canal, which also provides noise isolation. Micro-woofers: Robust aerospace grade AL alloy encased over micro-woofers which provide crisp deep bass for bass heads, crystal clear highs and stable midst audio signature.