Auto-Start Wrist Power Gyro Ball, Wrist Strengthener and Forearm Exerciser for Stronger Arm Fingers Wrist Bones and Muscle with LED Lights

Great wee product

This is working great. Been using it for 7 day golfers or tennis elbow is not hurting like it was and the pain in my wrist has not came back. Easy to use and gives you a great arm work without the weights. At 65 my hand strength wasfailing in 7 days I can tell a difference in my hands.

Got one of these cus I'd heard they help with RSI. It does genuinely seem to help, but also as a chronic fidgeter, I love just using it whenever I've got a hand free. It feels really nice to keep it spinning, although getting it started is a little awkward, and it is a bit noisy if that's a concern for you. Overall really satisfied with it

I've had multiple NSD Spinners including the autostart version as well as heavy metallic variants. I'm currently recovering from an elbow injury and trying to strengthen my forearm to help with the recovery. Here is my take as a former NSD Spinner user (can't find the autostart and lost the starting string for the metal version). Build Quality: Compared to the NSD Spinner, this is noticeably subpar specially with the inner component Noise: This one makes quite a bit of ruckus when you stop rotating it. I don't know if it's due to the component seeming unpolished or this is normal for this particular model. While it's being rotated there is almost no discernible difference between this and the autostart models of NSD Spinner. Smoothness of the metal one was on a different level Felt weight/resistance: It's a nice medium between an autostart and metal version I bought this to start and possibly move up to a different model in the future. I think i will hold up and try to refurbish the metal version of spinner that was left neglected for years EDIT: Starting to get instances where it can't wind up to start the gyro. Sometime it seems to help when you rotate it manually by hand then reversing it to see if there is felt resistance EDIT: This thing was making such a ruckus when it get spun up to a decent pace. I went ahead and bought a NSD Spinner. Oh boy what a difference. Skip this garbage and buy the proper spinner. It's a night and day different in the way it spins as well as the lack of noise with NSD spinner. I think i can actually take it to work and spin it in the office without someone from another office across the hall inquiring about it

Broke within a few uses.