I found it online, it was on ebay and sold for $2.69 Listed as a waterproof smart bracelet heart rate monitor sports band watch fitness tracker. Doubt it does all that, bin it dude
Tried HPlus-nothing there. It's not broadcasting anything on Bluetooh, nor is it showing up when linked via USB to my PC...the MAC address suggests it should, but nothing evident. Difficult to put on, hard to read in light, heart rate dubious. As @evoarrow suggests, probably to be filed under B for Bin Unless anyone wants it to play with?