WeDai Smart call talkband tracks daily steps, calories burned, distance, active time and Headset.

• Touch button
• Composite state life waterproof design
• Smart reminder, call reminder/alarm to remind/sedentary remind
• Light weight comfortable
• Low energy optimized
• Wireless synchronization 
• Data storage talkband 7 days
• Storage in mobile 1 year
• Battery life Standby 30 days (open bluetooth headset for 72 hours)
• Bluetooth Smart 4.0 LE 
• Mobile apps for iOS 7.0 or above and Android 4.3 or above