Livall MT1
DescriptionA smart Bicycle Helmet that features smart lights, SOS alarm, calls, music, walkie talkie radio and navigation prompts. It includes a remote control for added convenience and safer rides.
Physical & performance 
DimensionsThe MT1 comes in two sizes, medium and large. The medium fits heads between 54cm and 58cm and large will fit heads between 58cm  and 62cm.
Display size
Display resolution
Touchscreen
Color display
Weight310 grams
BatteryMicro USB rechargeable
Battery lifeMax. 10hrs for lighting / 3-6hrs for music and lighting
Water rating
GPS enabled
GLONASS
Maps & memory 
Maps and routes
Ability to add maps
Accepts data cards
Sensors 
ANT+ cadence/speed
ANT+ heart rate strap
ANT+ power meter
ANT+ Trainer Control (FE-C)
Bluetooth smart heart rate strap
Bluetooth smart cadence / speed
Bluetooth smart power meter
Features 
Power meter compatible
Recording interval
Virtual partner
Biometric altimeter
Compass
Electronic gear shift display
Live tracking
Strava live segments
Temperature display
Display GPS & sensor data
Shock resistant
Wireless connection
Smart notifications
Automatic sync
Other- 8 full-color LED taillights & turn indicators
- comes with Nano Cadence Sensor
- 360-degree fully rotatable, charging phone holder is equipped with a USB charging point and a 5000mhA (3.7V) battery
- all functions are controlled by the the multi-functional Bling Jet Bluetooth remote control (take photos or record short videos, change the music, indicate a change of direction and operate a walkie talkie)
- answer phone calls without stopping your ride
- in an emergency it will send an SOS message and emergency lights on the helmet will be activated
Links 
View onAmazon
Amazon US rating