Perixx PERIBOARD-505H PLUS US, Wired Mini Keyboard with Trackball & 2 Hubs - USB - 14mm Optical Trackball - Build-in 2xHub - 1.80 M Cable - Piano Black - Fit with Industrial or Professional Use - US English Layout

I bought this keyboard as I wanted a wired keyboard with a built in trackball that would work with the Raspberry Pi device. The fact that the keyboard has onboard usb ports and has a small footprint are a bonus as well.Thankfully the keyboard and trackball work well with the Raspberry Pi - recommended for anyone looking for a smaller keyboard/trackball combo for this device.

Nicely made keyboard with nice action, solidly made. The trackball is a bit hyperactive so requires a fine touch. The two usb sockets at the top are very handy for USB sticks or an external mouse if need be. I'm using it at the end of a long usb extension cable so single cable is very handy.

I got this keyboard because I wanted a small integrated keyboard & pointing device for use with some servers that don't normally have a keyboard attached. This keyboard is great for that - very light to move around, no batteries (USB), an integrated trackball. The trackball is a little bit oversensitive when used in environments like a computer BIOS where you can't adjust sensitivity, but in general it works great.The keys have a very short travel but are comfortable in use. The keyboard is probably a bit too small for regular use, but it's perfect for what I wanted.

There was lots of research involved, before I stumbled across this little gem. My criteria was to purchase a mini keyboard that wouldn't dwarf my 22" smart TV when not in use, and would comfortably sit on my lap when in use; so I didn't want a mouse - no where to roll it, so the trackball was a great little addition! And I wanted the extra USBs for future computer gizmos. So this was a great find...would highly recommend.

Great product does exactly what it says on the tin. Nicely made, works well.

I bought this keyboard for my partner who has a complain that the full-size keyboard is not suitable for her as the mouse remains a bit far from her. This keyboard kind of solves her problem. The keys are tactile with good travel and well-spaced. It good when you don't have to types a lot. I recommend this keyboard for its portability and light use.

No numlock key.Keys with Fn not indicated.Sometimes USB loses touch with PC.Other than that, very good to use

Does the job

La tastiera è ben costruita e funziona ottimamente. Per un uso professionale può far piacere sapere che il trackball è posizionato nell'angolo in alto a destra e si tratta di una sfera abbastanza piccola (inferiore alle dimensioni di una pallina dei vecchi mouse), con una velocità di rotazione elevata (cioè fa poco attrito). Questo consente spostamenti velocissimi del cursore.

Trackball isn't very smooth. Trackball isn't accurate. Trackball is too fast. Keys are mushy. You get what you pay for.

トラックボール付きのものを探してたところ、こちらが安価で11inchタブレット用のバックにも入るサイズでしたのでこちら購入しました。初英字キーボードでキーの配置が若干違うことへの慣れ、日本語入力切り替えの設定変更など必要そうです。押し心地はなんというか90年代のパソコンに付属してたものに近いです。トラックボールは若干反応悪いです、ゆっくり転がすと動かないです。たまにしか使わないので問題ないですが、メインで使おうという方にはトラックボールの反応の悪さがネックな感じします。

5 stars because the keys are standard size and you can actually type whole sentences without mistakes. However, I don't recommend this.This trackball sends you back in time. Having to move the trackball to move the pointer and then having to click either the left or right button... it makes you angry because you can do all of that in just one motion on any modern laptop trackpad, saving time. But with this, you get sent back to 1997. Another downside is that the trackball is not "tacky" or whatever the word would be. For example, if you've ever tried the red trackball in a Lenovo laptop, the pointer doesn't move too fast and you're more likely to put the pointer on exactly where you want to click on the screen. However, with this trackball, you will ALWAYS miss the target and have to slide it around back and forth until you get the pointer right where you want it. Last, a red laser light emanates from below the trackball and if you have sensitivities to certain light spectrums (blue light, red light, etc) your finger will hurt when you use the trackball.Overall, this keyboard didn't work out for me.

I have two of these now. It's perfect size to carry around and to keep the mouse close by. Spilled coffee (black) on one but it kept working after letting it dry out for a few hours.