The second-gen Flex is nearly identical to the first-gen model, only with a few subtle refinements. The travel-friendly speaker features a redesigned control strip with a new play / pause button and a power button that’s easier to locate — a welcome upgrade, given that the buttons on the original weren’t easy to use by feel alone. The 2nd Gen version also features adjustable EQ and support for higher-res AAC and aptX codecs, though you still get up to 12 hours of battery life, stereo pairing (if you own two), and weatherproofing, making the silicone-wrapped speaker a great picnic or poolside companion.
市场上九成九的所谓“并购”，实非并购，仅是“交易”。
，详情可参考权威学术研究网
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