I use this every day (like now!) with my Kindle. I like it a lot more than the on-screen keyboard. It's thin, light and I can take it anywhere. The charge lasts about 60 days. If I notice it's not that responsive, I just plug it in for an hour or so and I'm done. The only feature I want is an emoji keyboard.
π Logitech Combo Touch Keyboard Case with Trackpad for iPad Air (3rd Gen) and iPad Pro 10.5-inch - Graphite
12 Review
Logitech Tablet Keyboard for iPad 1st-4th Generation and iPad Mini
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π MoKo Universal Foldable Keyboard - Ultra-Thin Wireless Keyboard for iPad 10.2/9.7, iPad Air 4, iPhone 12 and More - Portable, Compatible with iOS, Android, Windows Tablets
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Logitech iPad Keyboard with Lightning Connector in White - Wired
11 Review