There will be four different models of wireless charging case to choose from this time around. (9to5google.com)
Both sets of wireless earbuds promise quick pairing, and both claim to last 5 hours on one charge, with charging cases providing up to 24 hours of listening time. (tomsguide.com)
Most other truly wireless earbuds are offering around 4 hours of playback and then up to 12 with the included charging case for the earbuds. (androidheadlines.com)