To Next PageTo Next Page
Need help?Do you have a question about the Nulaxy KM21 and is the answer not in the manual?
Explains how to turn the device on/off and interpret screen indicators.
Details how to tune the FM frequency and connect via Bluetooth.
Covers answering, hanging up, rejecting, and switching calls via Bluetooth.
Explains audio sources (Bluetooth/TF card) and playback operations.
Describes how the device selects between Bluetooth and TF card audio sources.
Details play/pause and track skipping functions for music playback.
Explains how to activate noise cancellation during calls for clearer conversations.
Describes the specifications and capabilities of the fast charging port.
Guides on how to use Siri or Google Assistant via the device.
Lists the included accessories like washers, fuse, and screws.
Step-by-step instructions on how to install or replace the fuse.
Addresses common audio interference problems and their fixes.
Troubleshoots problems where the other party cannot hear or call volume is low.
General| Transmission Distance | 10 meters |
|---|---|
| USB Charging Port | Yes |
| TF Card Capacity | Up to 32GB |
| Supported Formats | MP3, WMA, WAV, FLAC |
| Display | LED |
| Bluetooth Protocol | A2DP, AVRCP |
| FM Frequency Range | 87.5MHz - 108.0MHz |
| Supported Devices | Smartphones, Tablets, MP3 Players |
| Additional Features | Hands-free calling |
| Input Voltage | DC 12-24V |
