Sony’s latest Walkman video MP3 player promises to entertain you musically for an incredible 50 hours. Ten hours of video can also be enjoyed on a single charge. Support for album art lets you take a visual stroll through your music collection, while you can also bookmark points in a video and even use the device as a mini karaoke machine – lyrics are displayed on its 2.8in screen. The Sony is available in capacities ranging from 8GB to 64GB.