Quantity   Component name
1 × Device PCB (custom) Custom PCB with nRF52832 SoC, BMI160 IMU, connector for i2c display, and USB
1 × SSD1306 OLED display module Generic i2c OLED display module
1 × 100 mAh battery (302025) Generic rechargeable LiPo battery, soldered to PCB
1 × Optical lens Generic lens taken from Google Cardboard, but any similar lens will do
1 × Reflector glass Piece of microscope slide attached to glasses. Replaced with mirror to work at Makerfaire
1 × Glasses Literally any ordinary glasses