Waterproof: IPX67. Built-in battery and not changeable.
Pedometer and heart rate measuring accuracy up to 95%. Capacitive touch screen, low power consumption, the normal use of up to 7 to 10 days.
Magnesium alloy back cover, can measure the surface temperature of body. Strap is made of Japanese water soluble Ti silicone, useing Ti products can relax spirit, relax muscle, improve motor function.
You can set up and sync your ERI by your smartphone that support Bluetooth V4.0 technology, for examples: iPhone mobiles: iPhone 4S, iPhone 5, iPhone 5S, iPhone 5C, iPod touch 5, iPhone 6 and iPhone 6 plu. Tablet phones: The new iPad, iPad 4, iPad mini, iPad mimi2, iPad air
