19-01-2022, 03:41 PM
(18-01-2022, 11:12 AM)Praktica Wrote: I note they are available at a wide range of prices. Are the cheap ones any good? Anyone bought one recently, and have a recommendation?Talking about cheap...
You need this more than a pulse oximeter... 
https://www.trademe.co.nz/a/marketplace/...f=6W54RCRk