Rollme has added a new model to its smart ring lineup. The R11 features ECG support, sleep and body temperature tracking, and up to 30 days of standby time. It weighs 3.5g and is priced at $139.99.
Rollme has officially entered the smart ring arena with its latest release, the R11 Ultra. This new gadget promises to merge cutting-edge technology with sleek design, offering users an array of ...
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