1. Introduction
Thank you for choosing the iTOMA Retro Alarm Clock Model 158. This device combines vintage aesthetics with modern functionality, offering a Bluetooth speaker, FM radio, alarm clock, hands-free calling, night light, and support for TF card and AUX input. This manual provides detailed instructions to help you set up and operate your new device.
2. Safety Information
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to strong impacts.
- Do not disassemble or attempt to repair the device yourself. Contact customer support for assistance.
- Keep the device away from water or other liquids.
- Use only the provided Type-C charging cable or a certified equivalent.
3. Package Contents
Please check the box for the following items:
- 1 x iTOMA Retro Alarm Clock Model 158
- 1 x Type-C Charging Cable
- 1 x User Manual
- 1 x Connectable Telescopic Antenna

Image: The iTOMA Retro Alarm Clock Model 158, showcasing its green casing, digital display, and vintage-style volume knob.
4. Product Overview
Familiarize yourself with the various components of your iTOMA Retro Alarm Clock.

Image: A graphic illustrating the multi-functional capabilities of the speaker, including Bluetooth, AUX Jack, Hands-Free Calls, TF Card, FM Radio, and Alarm.
Controls and Ports:
- Digital Display: Shows time, mode, and other information.
- Volume Knob: Adjusts audio volume.
- Function Buttons: Control various modes and settings (e.g., Play/Pause, Mode, Alarm, Light).
- Type-C Charging Port: For power input.
- AUX Input: For connecting external audio devices.
- TF Card Slot: For playing music from a TF (MicroSD) card.
- Antenna Port: For connecting the external FM antenna.
5. Setup
5.1 Power Connection
- Connect the provided Type-C charging cable to the charging port on the back of the alarm clock.
- Plug the other end of the cable into a compatible USB power adapter (not included) or a USB port.
- The device will power on, and the display will illuminate.
5.2 FM Antenna Connection
For optimal FM radio reception, connect the telescopic antenna:
- Locate the antenna port on the device.
- Insert the 3.5mm plug of the telescopic antenna into the port.
- Extend the antenna for improved signal strength.
6. Operating Instructions
6.1 Time and Alarm Setting
- Setting Time: Press and hold the 'M' (Mode) button to enter time setting mode. Use the '+' and '-' buttons to adjust hours and minutes. Press 'M' again to confirm. You can switch between 12-hour and 24-hour formats.
- Setting Alarm: Press the alarm button (often depicted as a bell icon) to enter alarm setting mode. Use '+' and '-' to set the alarm time. Press the alarm button again to confirm. The alarm offers 16 volume levels.
- Snooze Function: When the alarm sounds, press any button (except power) to activate snooze. The alarm will sound again after a short interval.
6.2 Bluetooth Pairing

Image: A smartphone displaying a music player interface next to the iTOMA alarm clock, indicating Bluetooth music playback.
- Press the 'M' (Mode) button until 'BT' (Bluetooth) appears on the display. The device will enter pairing mode, indicated by a flashing Bluetooth icon.
- On your smartphone or other Bluetooth-enabled device, search for available Bluetooth devices.
- Select 'iTOMA 158' from the list. Once paired, the Bluetooth icon will stop flashing, and a confirmation sound may play.
- You can now play audio from your device through the alarm clock.
6.3 FM Radio Operation

Image: The iTOMA alarm clock with its telescopic antenna extended, displaying '87.5 FM' on the screen, illustrating FM radio functionality.
- Ensure the telescopic antenna is connected and extended.
- Press the 'M' (Mode) button until 'FM' appears on the display.
- Press the Play/Pause button to automatically scan and save available FM stations (87.5 MHz to 108.0 MHz). The device can store up to 20 stations.
- Use the '+' and '-' buttons to navigate between saved stations.
6.4 Night Light Modes

Image: The iTOMA alarm clock displaying different night light colors (orange, blue, green) in a dimly lit room, highlighting its ambient lighting feature.
The device features 3 night light modes:
- Press the light button (often depicted as a light bulb icon) to cycle through the available night light modes.
- Press again to turn off the night light.
6.5 Hands-Free Calling

Image: The iTOMA alarm clock on a kitchen counter, with sound waves and a microphone icon indicating its hands-free calling capability while a person is preparing food.
When connected via Bluetooth to your smartphone:
- Answer Call: Press the Play/Pause button to answer an incoming call.
- End Call: Press the Play/Pause button again to end a call.
- Reject Call: Press and hold the Play/Pause button to reject an incoming call.
6.6 TF Card and AUX Playback
- TF Card: Insert a TF (MicroSD) card with audio files into the designated slot. The device will automatically switch to TF card mode and begin playback. Use '+' and '-' for track navigation.
- AUX Input: Connect an external audio device (e.g., MP3 player) to the AUX port using a 3.5mm audio cable (not included). Press the 'M' (Mode) button until 'AUX' appears on the display. Audio will play from the connected device.
7. Maintenance
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the ports free of dust and debris.
- Store the device in a cool, dry place when not in use for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or no power connection. | Connect the device to a power source using the Type-C cable. Ensure the power adapter is working. |
| No sound from speaker. | Volume too low, incorrect mode, or device not paired. | Increase volume using the knob. Check if the correct mode (BT, FM, AUX, TF) is selected. Re-pair Bluetooth if necessary. |
| Poor FM radio reception. | Antenna not connected or extended, weak signal. | Ensure the telescopic antenna is fully inserted and extended. Try repositioning the device or antenna. |
| Alarm does not sound with radio. | Alarm function is typically a buzzer. | The alarm function on this model uses a buzzer sound, not FM radio. |
| Bluetooth connection unstable. | Device too far from source, interference. | Move the connected device closer to the alarm clock. Avoid obstacles between devices. |
9. Specifications
- Brand: iTOMA
- Model: 158
- Dimensions: 12 x 3.81 x 9 cm (4.7 x 1.5 x 3.5 inches)
- Weight: 600 g (1.32 lbs)
- Display Type: Digital LCD
- Style: Retro
- Connectivity: Bluetooth 5.1, FM Radio (87.5-108.0 MHz), AUX Input, TF Card Slot
- Special Features: Alarm, Night Light (3 modes), Hands-Free Calling, Type-C Charging Port
- Power Source: USB Type-C (external power adapter not included)
10. Warranty and Support
iTOMA is committed to providing quality products and customer satisfaction. If you encounter any issues with your device, please contact our customer support team for assistance. We will provide a reasonable solution as soon as possible.
For more information or support, please visit our official website or contact us via email:
- Website: www.itoma.com
- Email: info@itoma.com

Image: The back of the product box displaying iTOMA's website and email contact information.





