Features:

1.Bluetooth 4.0 wireless syncing for in-the-moment notifications and personalized 2.insights to keep you focused on goals

3.Track Sleep including total hours， time to fall asleep， number of wake ups

4.Track Activity including steps， distance， calories burned， active versus idle time

5.Smart Alarm and Power Nap features wake you at the time that leaves you feeling refreshed

6.Customizable Idle Alerts remind you to move

7.Free Wrist Band app downloadable from the App Store or Google Play Store

8.Designed to be worn 24/7; Battery supports up to 21 days Standby time

Dimension: l*w*h:214mm*16*8mm

Weight: 24G

Materrial: Medical level TPU

Battery: 60mAH，chargeable polymer lithium battery

Duration: 21 days

LED: 2LEDS

Storage: Data，after uploaded to a server，can be stored as long as 3 years

Mode: Activity/Sleep/Nap/Bluetooth

Smart alert: incoming call alert，idle alert，alarm

Supporting OS: IOS 7.0/Android4.3

Waterproof: Daily waterproofing，IP67

Color: Multiple colrs to choose
Note: when ordering， please select the color you need