Misfit Shine 2
Tech specs 
Size30.5 mm Diameter, 8 mm Height
MaterialShine 2 Material : Anodized Aircraft-grade Aluminum
Sport Band Material : TPU
Sport Band Action Clip : Nylon
Clasp Material : Nylon
ChargingNo
BatteryCR2032 coin cell
Battery lifeUp to 6 months
Water-resistanceUp to 50 metres
Weight8.5 grams
Sensor3-axis accelerometer and magnetometer, vibration motor
Display12 Multicolor LEDs
Screen size30.5 mm Diameter
ColorsBlack, Rose Gold
Other
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
Floors
SleepYes
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notificationsVibration Alerts for alarms, calls, texts, and movement reminders.
Other
Links 
View onAmazon | Misfit | Best Buy | Target | eBay
Amazon US rating3.1 out of 5 stars
Read moreReview