Editing Bluetooth (section)

=== Bluetooth 2.1 + EDR ===
Bluetooth Core Specification version 2.1 + EDR was adopted by the Bluetooth SIG on 26 July 2007.<ref name="bluetooth_specs" />

The headline feature of v2.1 is [[#Pairing|secure simple pairing]] (SSP): this improves the pairing experience for Bluetooth devices, while increasing the use and strength of security.<ref>{{cite web
|date=3 August 2006
|title=Simple Pairing Whitepaper
|version=Version V10r00
|publisher=Bluetooth SIG |url=http://bluetooth.com/NR/rdonlyres/0A0B3F36-D15F-4470-85A6-F2CCFA26F70F/0/SimplePairing_WP_V10r00.pdf
|access-date=1 February 2007
|archive-url = https://web.archive.org/web/20061018032605/http://www.bluetooth.com/NR/rdonlyres/0A0B3F36-D15F-4470-85A6-F2CCFA26F70F/0/SimplePairing_WP_V10r00.pdf
|archive-date = 18 October 2006
}}</ref>

Version 2.1 allows various other improvements, including ''extended inquiry response'' (EIR), which provides more information during the inquiry procedure to allow better filtering of devices before connection; and sniff subrating, which reduces the power consumption in low-power mode.