Do you have a question about the Artis BT09 and is the answer not in the manual?
Short press -/ for previous channel, /+ for next channel, MODE/ for auto search.
Size: 70x75x70mm. FM frequency: 87.5 MHz-108 MHz.
Output: 3W RMS. Frequency response: 100Hz-18KHz. S/N ratio: 50Db. Power: DC5V/1A.
Impedance: 4Ω.
Long press to switch mode; short press for Play/Pause; in FM mode, short press for auto search.
Long press +/- for volume, short press for next/previous song/channel.
Power on/off, USB/TF card reading, AUX/DC 5V, Mic, Power light.
Supports MP3, BT connection, and hands-free calling.
Features FM stereo radio and line input for external audio sources.
Slide switch to power on/off. BT mode is default; blue light flashes for searching.
Long press MODE/ to switch between BT, FM, and AUX modes.
Answer, hang up, or switch calls using short/long press of II key.
Mini USB for AUX input/charging. USB/TF card playback with track controls.
Connect external audio via 3.5mm cable for music playback.