HTC will demonstrate the first of three upcoming wearable products next week, a source tells Bloomberg. The Taiwanese manufacturer, which currently only sells phones, will show a smartwatch prototype to carriers at the Mobile World Congress trade show. The source says the watch, which HTC has no plans to show publicly in Barcelona, will be based on Qualcomms Toq smartwatch, and will use that companys Mirasol display. The source also said the HTC watch will feature Bluetooth connectivity and a music player.