Craig CMA3837 Portable Speaker

Product Information

Model: CMA3837

Dimensions: 100*145MM

Weight: 80g

Important Safety and Care Instructions

Battery Care and Storage

• Recharge the unit for approximately 5 hours before first use.
• Charge and store the unit between 5°C and 35°C (40°F - 95°F).
• Do not overcharge (longer than 24 hours).
• Battery life naturally shortens over time.
• The rechargeable battery is not user-replaceable.

General Operation

Powering On/Off

Switch the Power ON/OFF Button to the ON position to power on the unit. The Blue Indicator and Speaker Decorative Lights will illuminate. Switch to OFF to power down.

Playback Modes

Press the M/ Button repeatedly to switch between playback modes:

• BT (Bluetooth): Ready for connection.
• FM Radio: For listening to radio stations.
• USB: For playing music from a USB device.
• TF (Micro SD) Card: For playing music from a Micro SD card.
• Aux in: For connecting external audio players.

Controls

• M/ Button: Switches playback modes and turns decorative LED lights on/off.
• H/V- Button: Volume down or previous track.
• II Button: Play/Pause or Scan FM stations.
• /V+ Button: Volume up or next track.
• Indicator: Shows operational status.

Connecting and Playing Music

Bluetooth (BT) Mode

1. Power on the unit and ensure it is in BT mode (Blue Indicator blinks).
2. Power on your external Bluetooth device and enable Bluetooth search.
3. Pair the devices. The unit will prompt "Bluetooth connected" when successful.
4. Play music from your Bluetooth device. Use the unit's buttons to control playback (play/pause, skip tracks, adjust volume).
5. To turn off decorative lights, press and hold the M/ Button.

FM Radio

1. Power on the unit and enter radio mode (Blue Indicator illuminates).
2. Press the II Button to scan and store available FM stations. The unit will play the first stored station.
3. Use the /V- or /V+ buttons to select and play desired stored stations.
4. Adjust volume using the /V- or /V+ buttons.
5. The unit has a built-in FM antenna. For better reception, try reorienting the unit or use the supplied USB Connection Cable as an external antenna.

USB Device

1. Connect a USB device to the USB Port on the unit.
2. Power on the unit and ensure it is in USB mode (prompt "USB").
3. Music will play automatically. Use the unit's buttons to control playback (play/pause, skip tracks, adjust volume).
4. Decorative lights can be turned on/off by pressing and holding the M/ Button.

TF (Micro SD) Card

1. Insert a TF (Micro SD) Card into the TF (Micro SD) Card Slot with contacts facing down. Ensure correct orientation to avoid damage.
2. Power on the unit and ensure it is in TF card mode (prompt "Memory Card").
3. Music will play automatically. Use the unit's buttons to control playback (play/pause, skip tracks, adjust volume).
4. Decorative lights can be turned on/off by pressing and holding the M/ Button.

AUX (Aux/Line in)

1. Connect one end of the Audio Connection Cable to the external audio player's headphone jack.
2. Connect the Micro USB plug of the cable to the 5V/AUX (In) Port on the unit.
3. Power on the unit and ensure it is in AUX mode (prompt "Aux in").
4. Play music from the connected player. Ensure the player's volume is set high.
5. Use the unit's buttons to control volume. The II button can mute/unmute sound.

Microphone Input

1. Power on the unit and play music in any mode.
2. Connect a microphone to the 3.5mm MIC Jack.
3. Adjust microphone and music volume using the /V- or /V+ buttons.
4. To avoid feedback noise, reduce microphone volume or move the microphone away from the speaker.

Troubleshooting Guide

General Specifications

• Power Source: Built-in DC 3.7 V, 1200 mAh (4.44 WH) rechargeable Li-ion Battery; recharge via DC 5 V through the DC 5V (Micro USB) Port.
• Speaker Impedance: 4Ω
• Audio Power: 2 W (RMS)
• FM Radio Frequency: 87.5-108 MHz
• BT Version: 5.0
• BT Operation Distance: Up to 32 Feet in open area.
• Supported TF Card/USB Device: Up to 16 GB.

Package Includes

• 1 x Owner's Manual
• 1 x Connection Cable (For charge and Aux/Line In)

Limited Warranty

Craig warrants this product to be free from manufacturing defects in material and workmanship under normal use for a period of 90 days from the date of purchase. For service, return the product to the store of purchase for exchange, or pack the unit with all accessories, a copy of the sales receipt, and a $3 money order (for shipping and handling) to Craig Electronics Inc., 1160 NW 163 Drive, Miami, FL 33169. This warranty is void if the product is misused, modified, or improperly connected. It does not cover ordinary adjustments or shipping costs. This warranty gives specific legal rights, and other rights may vary by state.

Obtain Service

Email: service@craigelectronics.com

FCC Notice

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.