Biostrap 2
Tech specs 
SizeWrist pod: 91 x 91 x 91mm; 120-200mm circumference of the band
Shoe pod: 35 x 23 x 15mm
MaterialSilicone, plastic
ChargingUSB, wireless
Battery lifeWrist pod: 3-5 days
Foot pod: 8 days
Water-resistanceWrist pod: up to 50 metres (swim-proof) - 5 ATM
Foot pod: splashproof
WeightWrist pod: 23 grams
Foot pod: 8 grams
SensorWrist pod: Red+Infrared PPG, 3-axis accelerometer, gyro
Foot pod: 3-axis accelerometer, gyro
DisplayNone (Smartphone)
Screen size
ColorsBlack, blue, white band (all enclosed)
Activity tracking 
Calories burnedYes
Heart rateYes, including HRV
Stress & recoveryYes
Pulse OxYes
Respiration rateYes
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSConnected GPS
Running features
Swimming features
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Affiliate link*Biostrap
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