Samsung E840 At 10.6mm thin Samsung have produced the slimmest slider-phone in the Samsung E840. The E840 makes listening to your favourite music a dream thanks to the multi-format jokebox with FM radio. Sharing your music and images with friends and family is made easy with the Bluetooth connectivity. Stay in constant contact via email, SMS, EMS and MMS and view all documents sent to you on the document viewer which supports MS Office, PDF, HTML and JPEG files.