Amazon.com: Bose QuietComfort 45 Bluetooth Wireless Noise Cancelling Headphones, Midnight Blue - Limited Edition
Amazon.com : SmartFly info TF-Luna Lidar Sensor 0.1-8m Short-Range Distance Single-Point Ranging Finder Module UART / I2C Compatible with Pixhawk and Raspberry Pi for Drone/Robot Obstacle Avoidance : Electronics