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Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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ساعة بولار M400 جي بي اس رياضية مع مراقب لمعدل نبضات القلب لون ابيض : Amazon.ae: المستلزمات الرياضية
Polar m400 | تقديم لساعة قياس النبض Polar M400 | By المحضر البدني الدكتور عبدالله منصوري | Facebook
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