IPhone 3GS and quad-band GSM/GPRS/EDGE radio, the 3GS also adds support for 7.2 Mbit/s HSDPA allowing faster downlink speeds though upload speeds remain the same as Apple had not implemented the HSUPA protocol. Other updates include the addition of a built-in Nike+iPod sensor which eliminates the need for an external sensor and allows native Nike+iPod support. The Bluetooth server on the iPhone 3GS has also been slightly improved adding support for Bluetooth 2.1 specifications. Voice Control was introduced as an exclusive feature of the iPhone 3GS and allows for the controlling of the phone and music features of the phone by voice.
Zeppelin (iPod speaker system) HiFi<WHFair />, in connection with their Zeppelin Air reviews. What HiFi said that "despite its smaller stature, there was no dip in sound quality." Zeppelin (iPod speaker system) The Zeppelin (iPod Speaker System) is a group of speaker systems sold, designed, and manufactured by the English audio company Bowers & Wilkins for use with the iPod. . The original speaker, the Zeppelin, was on sale from 2006-2011." WhatHiFi" considered that it "set the benchmark for premium iPod speaker docks". The device has now been updated, and renamed the Zeppelin Air. It received substantial reviews by "PC magazine", which rated it