Adjustable 24mm silicone strap fits up to 8-inch wrist circumference. lightweight alloy 40mm square case.Color touchscreen display with customizable watch face. easy-to-use app available for iOS and Android.Make & receive calls with built-in speaker. receive notifications for Facebook WhatsApp email and text.Optical heart rate monitor sleep & activity tracker (steps calories & distance).Recharge battery with micro-USB cable.
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