Have iFi raised the performance ceiling for portable Bluetooth DAC/Amps with the iDSD Valkyrie, or does the hefty "dongle" fall flat on its promises?

The best tech products announced this week include Bang & Olufsen's portable speaker and Leica's special-edition camera.

November 25, 2024 • Books We Love returns with 350+ new titles handpicked by NPR staff and trusted critics. Find 12 years of recommendations all in one place — that's nearly 4,000 great reads ...