Tech specs.

Sensors
 6 DoF inertial measurement unit consisting of:
  - 1 3D Accelerometer
  - 1 3D Gyroscope
  - Data collected at 1000 Hz

Battery
  - Built-in rechargeable Lithium Polymer battery
  - 1.5 hour full charge cycle
  - 50% charge after 30 minutes
  - 30 hours continuous motion recording
  - 12 days charge retention while powered down
  - Power consumption: 50 mA during charging

Wireless
  - 20 ft. range
  - Enhanced Bluetooth 

Size & Weight
  - Height: 77.5mm (3in)
  - Width: 55.3mm (2in)
  - Depth: 15mm (0.6in)
  - Weight: 32g (1.1oz)

Compatibility
  - iOS 9 devices and up
- Bluetooth 4.1 and up
  - Does not support iPod 5