Dr. Dre has sold 51 per cent of his audio company, Beats Electronics, to smartphone manufacturers HTC fpr $309 million (£190 million).

In 2008, Dre set up the company with Geffen records executive, Jimmy Lovine. Since then they have launched headphones endorsed by musicians like Lady Gaga, Justin Bieber and P. Diddy, each putting their name on their own signature pair of headphones.

HTC has said they will be looking into exporting the technology from Beats into their smartphones as soon as they can.

Dr. Dre's new album 'Detox' is due out later this year. The release will be his first since 1999's '2001' album and Dre has said it will be his last full album.

Two singles from 'Detox' have been released so far: 'Kush' in November last year and 'I Need A Doctor', featuring Eminem and Skylar Grey, in February of this year.

Watch the music video for Dr. Dre's 'I Need A Doctor' here: