Product Details:
- Stainless steel case
- Sapphire crystal
- Retina display with Force Touch
- Ceramic back
- Digital Crown
- Heart rate sensor, accelerometer, and gyroscope
- Ambient light sensor
- Speaker and microphone
- Wi-Fi (802.11b/g/n 2.4GHz)
- Bluetooth 4.0
- Up to 18 hours of battery life*
- Water resistant