Features: [ USB Rechargeable ]:USB direct charging black technology is convenient and does not require a charging cable. The wristband design allows for quick disassembly and insertion of the USB to charge, eliminating the need for cumbersome charging cables [Support sports]:Your wrist private teaching professional sports mode monitoring scientific running training system, tailored for you to enjoy professional guidance at any time, supports all-round sports data tracking and training data at a glance. .
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