In-ear headphones has custom-designed 11mm speaker drivers to produce rich and powerful sound Truly wireless connectivity adds convenience so you can listen whenever and wherever Active Noise Cancellation uses Silent Seal to maximize blocking of outside noise Transparency mode lets you be more aware of your surroundings by allowing you to hear outside sounds in real time, like when crossing the road Volume EQ adjusts the tuning as you turn the volume up or down, so highs, mids, and lows consistently sound balanced at any level Voice activated: Just say “Hey Google” for help Offers wireless charging and up to 31 hours of listening time