SP850 - Buttons, Indicators & Function Table – Avantree Support

Product Overview

Button Functions

No.	Button	Function
①	OFF/ON/–/+	- Turn the knob to switch the unit on or off. - Rotate the knob to adjust the volume.
②	MODE*	Press once to switch between FM, MicroSD card, and AUX modes.
③	MENU/OK	- Press once to open Mode Settings and confirm a selection. - Press and hold to enter System Settings.
④	⏮ / ⏭	Press once to scroll through options.
⑤	⏯	- Press once to mute/unmute (FM and AUX modes). - Press once to play/pause (MicroSD and Bluetooth modes).
⑥	ᛒ	- Press once to enter Bluetooth mode. - Press once to reconnect to the last paired device. - Press and hold for 2 seconds to disconnect from Bluetooth.
⑦	MIC	Works in Bluetooth mode for making and receiving calls.
⑧	1-0	- Press numbers to tune to an FM station (e.g., 1-0-6-2 for 106.2 FM). - Press and hold to save the current FM station to a number button. - Press a number button to play a saved FM station. - Press a number to play a specific track from the MicroSD card.

💡Note:
• Maximum storage capacity for a MicroSD card: 32GB.
• Supported file formats: MP3, WAV, WMA.
⚠️Doesn't support high-resolution audio files with a sampling rate of 88 kHz or above. The bit depth (e.g., 24-bit) doesn’t affect compatibility.
• The unit will only activate the Micro SD, or AUX mode after it detects a connected audio source.
• When powered on, they will automatically return to the last-used mode.