Timethinker Bluetooth Smart Bracelet 0.96" HD Touch Waterproof Blood Heart Rate Monitor M30ProductTimethinker Bluetooth Smart Bracelet 0.96" HD Touch Waterproof Blood Heart Rate Monitor M30For ModelAbove Android 4.4,Apple IOS 8.2 and BLE 4.0ComponentsWatch Straps+Smart BraceletQualityWe test one by one, make sure Grade AA, no dust, no dead pixel.ColorBlue/Black/Red/PackageBubble Bags+Bubble Chamber, or Original BoxPaymentT/T,Western Union,PaypalDeliveryAfter receiving payment, we'll delivery goods within 1-2 working days by DHL.Samplewelcome but charge you sample fee and freightMOQ1pcsWarranty1 year