Replacement Forehead Sensor
Front band device sensor
Frontal insert contains the forehead reference sensor for measuring your sleep stages. The forehead sensor lasts up to 2 years.
Clinically proven to improve the quality of your sleep
SmartSleep is clinically proven to help users improve their sleep quality, increase energy, boost alertness, and reduce daytime sleepiness. 70% of users reported feeling less tired durign the day.*
|Include||1 SmartSleep Forehead Sensor|