Streaming devices are a handy, clutter-free way to transform your streaming experience. Whether you want a new operating system or you have an older TV that doesn't have apps like Netflix built-in, these products are really top tier. And as of Feb. 26, you can get a great model on sale. The Roku Streaming Stick 4K is $15 off right now, taking the price down to $34.99 from $49.99.
25W (wired), 15W (wireless)，详情可参考safew官方下载
Apple Watch 走的也是这条路——将健康与通知两个功能一边升级、一边剥离出来，用户需要购买额外的配件，才能解锁 iPhone 更全面的体验。，这一点在搜狗输入法下载中也有详细论述
// process chunks。关于这个话题，51吃瓜提供了深入分析