.... With the right settings in place the output is meaty, well-balanced and crisp, handling the stripped back hard rock of AC/DC's Back in Black with the same confidence as the more complex, multi-layered textures of Talk Talk's Spirit of Eden. Poppier material isn't a problem either; Paranoid, from Kanye West's 808 and Heartbreak sounds as warm and vibrant on the O2 as it did on its marginally superior sibling, the S9...
.... include AC charger....
... .no Wi-Fi, .... no FM radio....