Sunu Band
Tech specs 
Size
Material
ChargingYes
BatteryRechargeable LiPo battery for 12 hours of use
Battery lifeUp to 12 hours
Water-resistance
Weight
SensorUltrasonic proximity sensor with 13 feet range, real time feedback at 30 frames per second, high definition, lineal haptic actuator, motion unit for one hand gesture recognition, Bluetooth Low Energy (BLE) connection
Display
Screen size
Colors
OtherSunu Band is the first blind-accessible smart-watch that combines sonar technology with precision haptic feedback to augment spatial awareness and navigation.
Activity tracking 
Steps
Distance
Calories
Activity
Floors
Sleep
Heart rate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other - Feel your environment with vibrations. Avoid accidents to your upper body.
- Follow in a line with ease and maintain your personal space.
- Find doorways and thresholds. Smoothly navigate through crowded spaces
- Adjust the range, sensitivity and feedback with our app to fit your lifestyle
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Sunu
Read moreArticles
*Disclosure: We are a professional review site that receives a small commission from sales of certain items, but the price is the same for you. See our affiliate disclosure page for more details.
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.