Lumo Run
Tech specs 
Size50mm x 28.50mm x 10mm
MaterialSilicone
ChargingYes
BatteryLithium polymer.
Battery life20 hours of in-run time.
7 days of stand-by time.
Water-resistanceYes (machine washable)
Weight25 grams
Sensor9-axis IMU, accelerometer, gyroscope, magnetometer, barometer, Low-energy Bluetooth, vibration motor
Display
Screen size
ColorsBlack
Other
Activity tracking 
Steps
DistanceYes
Calories
Activity
Floors
Sleep
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPS
Running features
Swimming features
Smartphone notifications
Other - cadence, bounce, braking, pelvic drop, and rotation.
- real time audio coaching
- personalised exercises
Links 
View onAmazon
Amazon US rating3.9 out of 5 stars
Read moreArticle