Phone requirements
iPhone running iOS 15.0 and above
or
Android phone with Google Play running 8.0 Oreo and above
Bluetooth 4.0 capability required
Battery
Type: Rechargeable Lithium Polymer
Capacity: 400 mAh
Battery life in use: Up to 11 hours of daytime use, 20 hours of night-time use
Battery life in standby: 18 months
Charging: USB-C
Display
Screen technology: LCD IPS circular display with LED backlight
Resolution: 240 x 240 px (266 PPI)
Active area diameter: 32.4 mm (1.28 inch)
Display lens material: PMMA with anti-scratch coating
Sensors
Accelerometer
Gyroscope
Magnetometer
Ambient light sensor for automatic brightness adjustment
Connectivity
Bluetooth 4.0 low energy
Materials
ABS
PMMA
Polycarbonate
TPU
Interface
4x physical ‘RockerTop’ buttons
Water and particle resistance
Weather sealed, water and dust resistant
Size and weight
46.4 mm (1.82 inches) diameter, 17.3mm (0.68 inches) deep
25 grams (0.8 oz)