WEIGHT: 39.6g
WATER RESISTANT: Yes
SIZE: 1.5 inches
DISPLAY TYPE: Ion-X glass, Retina display with Force Touch
RESOLUTION: 272 x 340 pixels
BLUETOOTH: Yes
BATTERY USAGE: Up to 18 hours
APPLICATIONS: Messages, Phone, Mail, Calendar, Activity, Workout, Maps, Wallet, Siri, Music, Camera Remote, Remote, Weather, Stocks, Photos, Alarm, Stopwatch, Timer, World Clock, Settings, Digital Crown, Heart rate sensor, accelerometer, gyroscope, Ambient light sensor, Speaker and microphone, Wi-Fi (802.11b/g/n 2.4GHz).