Tecsun PL398BT DSP Digital AM/FM/LW Shortwave Radio with Dual Speakers & Bluetooth, Black PLL Synthesized AM/FM/LW/SW Radio with DSP (Digital Signal Processing) Technology Portable wireless speaker for Bluetooth compatible cellphones, tablets and other devices Dual 2.5" Speakers provide FM broadcasting in stereo 12/24 Alarm clock with C/F thermometer + Sleep timer + Built-in battery charger Kaito Electronics, Inc is the only authorized Tecsun Distributor in North America, Only the Tecsun radios sold by Katio come with English user manuals