doppel is a wristband shown to reduce stress and increase focus - within moments. Choose your state of mind with doppel’s personalized heartbeat vibrations.
Investors 3
| Date | Name | Website |
| - | Startup Cr... | startupcre... |
| 14.01.2021 | Plug and P... | plugandpla... |
| - | Cambridge ... | cambridgea... |