Astell & Kern HB1: $249 at BHPhoto The Astell & Kern HB1 doubles as a wireless Bluetooth dongle for your wireless headphones, or a wired DAC to improve the audio from your phone, tablet ...

We can’t find anyone else in our archive who’s made a Bluetooth dongle in this way, but we’ve certainly seen sniffing of HCI commands to reverse engineer a speaker’s communications.

The AirFly Pro 2 launches today with a small price bump to $59.99. The AirFly Pro 2 launches today with a small price bump to $59.99. Andrew Liszewski is a senior reporter who’s been ...