Screen: Scratch-resistant sapphire cover glass of 2.5 mm thickness. AMOLED Screen 1.39’’ = 35.40mm. Touch on Display supporting multiple finger recognition. Screen resolution: 400 x 400. 287ppi, 24-bit. Processor: Powered by an Intel Atom Processor Z34XX. Memory: 512 MB main memory, 4 GB storage. Intel and Intel inside are registered trademarks of Intel corporation. Sensor: Accelerometer, gyroscope, tilt detection sensor, microphone, vibrations/ haptics engine, ambient light sensor, GPS, NFC payment. Compability: Android 4.4+ / IOS 9+. Smartphones running Android™ 4.4 or higher, or iPhone 5 or later running iOS 9+ or higher. Supported features may vary between platforms. Android and Android Wear are trademarks of Google Inc. Connectivity: Bluetooth BLE 4.1 WiFi 2.4 GHz 802.11 B/G/N. Battery Charger: 410mAh, average hours of battery of life: within normal usage: Up to 25 hours. Approximate charging time 1h50 min from a dead battery. TAG Heuer Connected Apps: Dedicated Phone Application Built by TAG Heuer with specific features built to leverage your watch content. Browse your curated collection of authentic TAG Heuer watch faces. Upload a photo to create a watch face that keeps those special memories close.