BLUETOOTH VERSION：5.3. 1 x Smart glasses. OUTDOOR SPORTS：UV PROTECTION WIND AND DUST PROOF I WIDE FIELD OF VISION I STRONG IMPACT RESISTANCE. BATTERY CAPACITY：120mAh. HIGH DEFINITION：PREVENT ULTRAVIOLET LENS CLEAR UV PROTECTION, ISOLATION OF HARMFUL LIGHT,WIND AND DUST PROTECTION OF EYES SOLID AND NOT BROKEN.
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