RealWear Navigator 520 Smart Glasses - Android - Digital Compass, 3-axis Accelerometer, Gyro Sensor, Fingerprint Sensor, Pedometer - Speaker, Camera, Calculator, Music Player, Timer - Qualcomm Snapdragon 6622 GHz - 64 GB - 4 GB Standard Memory - 0.4" LCD Display - Bluetooth - Bluetooth 5.1 - Wireless LAN - IEEE 802.11a/b/g/n/ac - GPS - Android 11 - Black - Dust Proof, Splash Proof, Drop Resistant, Freeze Resistant: