Do you have a question about the NGS ROLLER SLANG and is the answer not in the manual?
Identifies and explains the function of each control button and indicator on the speaker.
Instructions for connecting the speaker via USB to charge the battery.
Steps to pair the speaker with a mobile device and its automatic reconnection process.
How to select between Bluetooth, USB, and Micro SD card modes using the 'M' key.
Operations for playing music, managing volume, and handling phone calls via Bluetooth.
Connecting and playing audio from an external source using a 3.5mm audio cable.
Instructions for inserting a micro SD card or USB drive to play MP3 music files.