Lifesense Band 3S Fitness Wristband is professional heart reate monitor. Compared to other bands, it is 30% + more accurate but 50% + more money-saving.

It can provide professional personal aerobic fitness analysis and improvement program to make your exercise more scientific and generate more significant results! Comes with a seamless- nano-moulded unibody design. It also has a direct USB charging, just simply plug into any USB ports, and enjoy your time in anywhere.