This model charges via micro USB compared to the Aeroplex(also on sale) which is uses a proprietary magnetic blah blah.
Aeroplex vs Air comparison -> https://us.aftershokz.com/pages/product-comparison
Bone conduction technology and open Fit design delivers music through your cheekbones, ensuring ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.
The new, organic, wraparound design is 20% lighter than its counterpart to deliver a flexible fit for unnoticeable all-day comfort and stability.
Bluetooth V4.2 connectivity and convenient multipoint pairing compatible with your iOS and Android Bluetooth-ready smartphones or tablets and Mac and PC computers and laptops.
Premium pitch plus guarantees a Premium audio experience, including wide dynamic range and rich bass.
Enjoy six hours of continuous music + calls on a single charge, or 20 days of standby time. Charges in 2 hours.
anyone with a larger head diameter, I highly recommend you try these in a store first before buying. I have quite a large head circumference (63cm) and the headband on pretty much all the aftershoks aren’t long enough for the pads to reach my temples and lay flat against the bone, rendering them effectively useless as bone-conduction headphones.