In fact, on the iPhone, it imitates a Bluetooth audio device, even though it doesn't do audio.

WSJ: Watch Keeps Alerts From a Phone at Arm's Length

Las Vegas, NV, January 2013 - BeeWi, the leading European wireless accessory manufacturer, unveils at the Consumer Electronics Show 2013 (CES) its latest range of innovative wireless audio devices, including the revolutionary Ghost Bee, the ultimate headphone that lets users wirelessly connect any Bluetooth device (smartphones, tablets, PCs, Macs...) to any home theater speakers.

ENGADGET: BeeWi's Ghost Bee Bluetooth headphones also stream music to your stereo (hands-on)

The Jabra Solemate connects to any device that can play music - either corded or wirelessly - using Bluetooth technology, a 3.5mm audio cable or USB cable, and caters to all types of uses, indoors or outdoors.

ENGADGET: Jabra's $200 Solemate portable Bluetooth speaker wants to kick the Jambox aside