Bang & Olufsen BeoSound 3 Portable Music Player with Radio and SD Memory Card Playback BeoSound 3 is the new portable audio system from Bang & Olufsen The re-chargeable battery ensures up to 10 hours of continuous listening pleasure. In addition to an FM radio, BeoSound 3 has a SD card reader and clock-timer elegantly packaged together in the robust, anodized aluminum cabinet. 3 Year international warranty