[Expired]Microsoft Band - Large(4M5-00003)
Features: Optical heart rate sensor,3-axis accelerometer,Gyrometer,GPS,Ambient light sensor,UV sensor,Skin temperature sensor,Capacitive sensor,Galvanic skin response. 320 X 106 Resolution, built-in microphone.Support WP 8.1, IOS, Android. 48 hours of normal use.