Bluetooth was given an overhaul in 2010 with a 4.0 standard. It's getting sexier hook ups too with it being used for wireless speakers to smartwatches. The latest update, will help you save battery.

The Bluetooth Special Interest Group has announced Bluetooth 4.1, the first update since 2010. It will dramatically smarten up the connection, and it will intelligently disconnect when you leave the room.

When you come back into the room it will intelligently reconnect. This will save quite a lot of battery, without noticing.

Also, bulk data transfer has been improved, which means it will be able to work as both peripheral and hub at the same time. The update can be rolled out over the air to existing chips. [Bluetooth SIG via Verge]