Renny

Works well. I had to mess with it a bit, but if you follow the instructions and the troubleshooting, you get there. I use it with my Samsung Galaxy. No more missed calls because my phone is on silent or in the other room. I set it really loud and it is LOUD. I can hear it anywhere in the house.

Great product, since nobody has extension phones... My husband is hard of hearing and we have a big house. He is in the habit of leaving the phone at the other end of the house and can't hear it if it rings, (really, when I try to call him.) This little hockey puck with an antenna sits in a mid-point between where he usually leaves his phone and the other end of the house where he hangs out and REALLY RINGS if there is a call. This can also do things like play music or announce the incoming number, but I just have it set to ring. And boy, is it loud! You can tone down the volume some and it gives a choice of about 5 ring tones. A couple of the ring tones at full volume are heart-stopping, but we managed a ring tone and volume that works for us. Easy to connect by Bluetooth. Not sure about the range for the Bluetooth if you have a really long distance (like house to outbuilding?) but works well for us. (Or he could carry his damn phone with him like a normal person.)

Bought this for my 84 yo mom who couldn’t hear her cell. This is loud enough for her to hear over her tv that has the volume on 100 lol

I've been looking for something like this for a while. I was using an eight dollar ringer that was extremely loud but only worked with a land line. But since pretty much all of my calls come to my cell, I wanted to have a loud ringer I could hear when working in my workshop. This ringer works great. Stays connected via blue tooth and is "loud enough" most of the time. I deducted one star due to price and because the max volume is not nearly as loud as the eight buck model. Which I don't really understand since the cheap model works on the low voltage from the land line, while the Renny requires line voltage. But there's not much out there for cell phones.