Gyroscope 101: That tiny phone sensor has a big history - Video - CNET

The hidden story of your phone's gyroscope, The gyroscope in your phone changed wars, led to more advanced phones and even helped create the Mile High Club. Seriously., By CNET

【 High Performance 】Rock-solid data output: 3-axis XYZ (Pitch Roll Yaw) Acceleration+ Gyro+ Angle, measurement range and output rate ( 0.2-100Hz)

WitMotion WT61C-TTL High-Accuracy Accelerometer Sensor, 6-Axis Acceleration(+-16g)+Gyro+Angle (XY 0.05° Accuracy) with Kalman Filtering, MPU6050 AHRS

AirTags hands on: Apple's impressive Bluetooth trackers will get an Android app - CNET

iPhone 4 - Wikipedia

Poly Voyager 5200 Wireless Headset (Plantronics) - Single-Ear Bluetooth Headset w/Noise-Canceling Mic - Ergonomic Design - Voice Controls - Lightweight - Connect to Mobile/Tablet via Bluetooth : Cell Phones & Accessories