It's time for a new CK11S Bluetooth Android and iOS Compatible Smart Watch Choose between all-black or black and gold  Compatible with Android 4.4 and above or iOS 8.0 or above Please see Full Details for complete specifications Extra-long life; one charge can last for 5 days and standby time is 10 days plus Never miss a message with push reminders  Keep track of calories, steps, mileage, blood pressure and blood oxygen  Save 60% on the CK11S Bluetooth Android and iOS Compatible Smart Watch for 23.99 pounds