The design is slightly smaller, about 25%, and 20% lighter than its predecessor for a more comfortable fit. Additionally, it also has an IPX4 water-resistance rating, which means that it is able to comfortably withstand sweat and rain. In terms of battery power, it is able to function for up to 8 hours of listening time. With the charging case, there is an additional 24 hours of power with only three minutes needed for an hour of listening.
Image Credit: Sony