DSD TECH SPP IS AN APP THAT ONLY SUPPORTS Bluetooth 2.0 SPP.
It currently only supports Android devices.
The following Bluetooth modules or devices are currently supported:
1,HC-06
2,HC-05
3,SH-H3
4,SH-B20/SH-B30/SH-B35/SH-B23A
Google Play Link: https://play.google.com/store/apps/details?id=com.reb.dsd_spp
Online Download：DSD Bluetooth SPP
