As well as providing DAB/FM reception, it also gives wi-fi access to thousands of web-based stations and can stream music from a wi-fi-enabled computer.
Pure has included its cloud-based FlowSongs music service that allows users to identify tracks playing on any radio station and buy them directly for future playback on the radio or computer.
"One Flow achieves a new price in premium digital and internet radio, but it does so without compromise," says Colin Crawford, Pure's marketing director.
The Pure One Flow has a black satin finish with chrome dials, 30 DAB and FM presets, kitchen and sleep timers, a 3.5mm input for iPod or MP3 players, a headphone socket, two alarms and a large LCD display.
The optional rechargeable ChargePAK battery (£35) gives up to 40 hours' listening on a full charge.
As part of Pure's EcoPlus range, the unit has reduced power consumption in operation and standby.