What is smart watch ?

A smart watch is a computerized wristwatch with functionality that is enhanced beyond timekeeping.

While early models can perform basic tasks, such as calculations, translations, and game-playing.

Modern smart watches are effectively wearable computers. Many smart watches run mobile apps, while a smaller number of models run a mobile operating system.

History of smart watch The first digital watch, which debuted in 1982, was the

Pulsar manufactured by Hamilton Watch Company.

Manufacturers are beginning to build smart watches for both business and general use.

Modern smart watchFunctions:

portable media players via a Bluetooth headset.

Some smart watches models, also called watch phones, feature

full mobile phone capability, and can make or answer phone

calls.

Ability to run mobile applications

Examples of Smart watch Developers

Smart watch

Developers

Sony Samsung Pebble

Sony Smart watch The Sony Smart Watch, also called MN2SW, is a wearable device that

connects to an Android smart phone .

It is compatible with most Android phones. The watch uses a flexible silicone wristband with multiple colors available.

It consist of sony smart watch 2 & sony smart watch 3 .

Sony Smart watch 2The Sony Smart Watch 2, also known as SW2, is a wearable device launched in late September 2013. The SW2 supports working together with any Android 4.0 (and higher) smart phone.

It is 1.65 inches tall by 1.61 inches wide and 0.35 inch thick and weighs 0.8 ounces and sports a transflective LCD screen with a 220x176 resolution.

The SW2 connects to the smart phone using Bluetooth, and supports NFC for easy pairing. It is rated IP57 so it can be submersed in water up to a metre for 30 minutes and is dust resistant.

Sony Smart watch 3 In 2014 the company announced the

third generation of its smart watch series, the Sony Smart watch 3.

Its processor switched from previous generations' ARM Cortex-M MCU to a ARM Cortex-A CPU.

The Smart Watch 3 has many new features such as waterproof (IP68 rated, not just resistant), improved styling, transition to Android Wear.

Samsung Galaxy Gear Samsung Gear S is a smart watch designed

and marketed by Samsung Electronics.

It was announced on 28 August 2014 as the successor to the Samsung Gear 2and was released on November 7, 2014.

the Gear S includes 512 MB RAM and 4 GB internal storage as well as a 300 mAh Li-ion battery.

Sensors within the Gear S include an Accelerometer, Gyroscope, Compass, Heart Rate monitor, Ambient Light sensor, UV sensor and Barometer.

3G module the watch is able to connect directly to the internet, make phone calls and send SMS's without needing a phone. It was the first wearable device to include Wi-Fi, Bluetooth and 3G connectivity.

Pebble Smart watch

Advantages Faster access to social networks.

Reduce need to take out phone.

Less likely to miss calls, messages, and notifications.

Displays e-mail, call, and text notifications.

Camera features.

Able to synchronize data with smart phones.

Access to the Web.

Disadvantage Dangerous distraction when driving.

Further withdraws people from social activities.

Must work in conjunction with a smartphone

Short battery life

Glitches, bugs, and lag

Unclear display in direct sunlight

Features camera, accelerometer, thermometer, altimeter, barometer,

compass, chronograph, calculator, cell phone, touch screen, GPS navigation, Map display, graphical display, speaker, scheduler, watch, Sdcards that are recognized as a mass storage device by a computer, and rechargeable battery. It may communicate with a wireless headset, heads-up display, insulin pump, microphone, modem, or other devices.

Future Minimal size and portability.

Varying functionality.

Intriguing and innovative new features Voice-activation ,3g Video communication.