31The Nike+ SportBand User’s GuideAbout SpecificationsNIkE+ SPORTBAND SPECIfICATIONSThe Nike+ SportBand has a custom rechargeable battery made of lithiumpolymer. It’s an internal, non-user-replaceable battery. If the product hasn’tbeen used for a while, the battery may need to be charged. The battery is 80%charged in about 1.5 hours and fully charged in 2 hours.Water resistance: 5ATM You can wear it in the rain, but wearing it whileswimming is not recommended.ATTENTION: Water damage may occur if the buttons are pressed underwater.ATTENTION: Hot steam may cause damage to the product. Do not wear insteaming shower, spa or hot tub.ATTENTION: Product should be rinsed thoroughly in fresh water after beingexposed to salt water.The operating temperature is 0 to 50° Celsius.The buckle is made of stainless steel. The case is polycarbonate, and thestrap is polyurethane.WARNING: NOT A MEDICAL DEvICE.Should not be used to diagnose, treat or prevent any disease or medicalcondition.Before starting any exercise program, you should have a complete physicalexamination by your physician. Do a warm-up or stretching exercise beforebeginning any workout. Be careful and attentive while exercising. Stopexercising immediately if you feel pain, or feel faint, dizzy, exhausted or shortof breath. By exercising, you assume the risks inherent in physical exercise,including any injury that may result from such activity.Warning: the sensor is a potential choking hazards. keep it away from childrenunder three years of age.Important: Do not attempt to open the sensor, disassemble it, or remove thebattery. No user-serviceable parts are inside.