Microsoft Band
Tech specs 
Size39 mm wrist height (small), 41 mm wrist height (medium), 49 mm wrist height (large), 19 (W) x 8.7 mm (H)
MaterialThermal plastic elastomer with adjustable fit clasp
ChargingUSB magnetic connector cable
BatteryDual 100mAh rechargeable lithium-ion polymer
Battery lifeUp to 48 hours
Water-resistanceDust- and splash-resistant
Weight60 grams
SensorOptical heart rate sensor, Gyrometer, Accelerometer, GPS, Ambient light sensor, Skin temperature sensor, UV sensor, Capacitive sensor, Galvanic skin response
DisplayCapacitive TFT full color display
Screen size11 x 33 mm (320 x 106 pixel)
ColorsBlack
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
SleepYes
Heart rateYes
Vo2Max
Stress & recovery
UV exposureYes
Skin temperatureYes
Galvanic skin responseYes
GPSYes
Running features
Swimming features
Smartphone notificationsYes
Other
Links 
View onAmazon | eBay
Amazon US rating3.5 out of 5 stars
Read more