The Sony Smartwatch 3 is a squareAndroidWear watch with a difference. It uses a transflective LCD screen, which means it is easy to see in direct sunlight and can be read without the need for a backlight.It has a backlight though, for reading in the dark, but as it’s not needed all the time it saves power meaning the Smartwatch 3 lasts up to three days percharge even when connected to smartphone via Bluetooth.It lacks a heart rate monitor but has GPS for trackingruns without a smartphone, and is waterproof to IP68standards – 1m of water for 30 minutes.It can connect remotely to an Android smartphone via Wi-Fi with the latest software update, is charged via a standard microUSB cable and has a choice of several custom straps including a metal one. A touchscreen makes navigation easy, and you can talk to it to ask questions ofGoogleand dictate replies.Verdict: decent battery life, easy to read screen, but plain styling