Bose has expanded its open-ear audio range with the Sport Open Earbuds and Ultra Open Earbuds (2nd Gen). The Sport model features a soft silicone cuff, physical controls, an IP54 rating and up to seven hours of playback, with its case adding 22 hours. The second-generation Ultra model adds an updated driver, Cinema Mode, Snapdragon Sound and aptX Adaptive support on compatible Android devices. Both models support Bluetooth 5.4, multipoint connectivity and Google Fast Pair. They will go on sale in the US in October.