Sony's Xperia ZR isn't reaching the market all by its lonesome: it's accompanied by a high-end Bluetooth headset, the SBH50. The sequel to the Smart Wireless Headset Pro mostly ups the ante with NFC -- listeners just have to tap the smart remote against their Xperias (or many other NFC-aware devices) to get going. There's still the emphasis on higher-than-usual quality for wireless audio; likewise, the remote continues to preview calls an
