Operating system: android
Special features: Gps
Connectivity technology: Cellular, GPS
Wireless communication standard: Bluetooth
Battery cell composition: Lithium Ion

GPS + Cellular model lets you call, text, and get directions without your phone
Measure your blood oxygen with an all-new sensor and app
Check your heart rhythm with the ECG app
The Always-On Retina display is 2.5x brighter outdoors when your wrist is down
S6 SiP is up to 20% faster than Series 5