It's also water resistant up to 30 metres, and features a built in microphone for voice replies and notes. (mobilesyrup.com)
With microphones on the top and bottom and a reversible screen mode, this smartphone can be used as normal even when it's upside down. (smartphone.ninja)
There's no cord attaching the two ear pieces together, and they're equipped with microphones for answering calls while listening to music. (slashgear.com)