Introduction
The iHome iOP235 is a sleek and compact Bluetooth alarm clock designed to enhance your bedside experience. It features convenient USB charging, wireless audio streaming, and customizable alarm settings. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance of your device.
Key features include:
- Digital Alarm Clock: Set dual alarms with customizable sources (tone or Bluetooth audio) and schedules (every day, work week, weekend).
- Bluetooth Speaker: Wirelessly stream high-quality audio from any compatible Bluetooth device.
- USB Charger: Connect and charge your mobile devices via the 5W USB Type-A port.
- Personalized Settings: Dimmable backlit display with 4 brightness levels and a programmable snooze function (1-29 minutes).
Setup
1. Power Connection
Connect the provided 100V - 240V universal voltage AC adapter to the DC 5V port on the back of the alarm clock and plug it into a wall outlet. The clock display will illuminate.
2. Time Setting
Refer to the controls on the top panel or the back of the unit. Typically, a 'Time Set' button (often labeled 'M' or with a clock icon) is used to enter time setting mode. Use the '+' and '-' buttons to adjust the hour and minute. Press 'Time Set' again to confirm.
3. Alarm Setting
The iOP235 features dual alarms. Locate 'Alarm 1' and 'Alarm 2' buttons (often with alarm clock icons). Press and hold an alarm button to enter alarm setting mode. Use '+' and '-' to set the desired wake-up time. Select your alarm source (tone or Bluetooth audio) and schedule (every day, work week, or weekend). Press the alarm button again to confirm settings.
Operating Instructions
1. Bluetooth Pairing
To stream audio wirelessly, press the Bluetooth button (often labeled 'BT' or with a Bluetooth icon) on the unit. The display will show 'BT' and flash, indicating pairing mode. On your mobile device, enable Bluetooth and select 'iHome iOP235' from the list of available devices. Once paired, the 'BT' indicator will stop flashing.
2. USB Charging
Connect your mobile device's charging cable (not included) to the USB Type-A (5W) port located on the back of the alarm clock. This port is suitable for charging smartphones, tablets, smartwatches, and other compatible devices.

Image: The iHome iOP235 alarm clock on a surface, with a smartphone connected via a USB cable to its charging port, illustrating the 5W USB charging capability.
3. Dimmable LED Display
The dimmable backlit display offers 4 adjustable brightness levels. Use the 'Light/Dimmer' or 'Snooze' button (often a multi-function button) to cycle through the brightness settings to suit your room's lighting conditions.

Image: A close-up top view of the iHome iOP235, highlighting the digital time display and the various control buttons, including the snooze/dimmer function.
4. Programmable Snooze
When an alarm sounds, press the 'Snooze' button to temporarily silence it. The snooze duration is programmable from 1 to 29 minutes. Consult the full user manual for specific instructions on adjusting the snooze time.
5. Sleep Timer
The sleep timer allows you to set a duration (120, 90, 60, 30, or 15 minutes) after which the audio will automatically turn off. This is ideal for falling asleep to music or ambient sounds.
6. Audio Playback
After pairing your Bluetooth device, you can control playback (play/pause, next/previous track, volume) using the buttons on the alarm clock or directly from your connected device.

Image: The iHome iOP235 alarm clock displaying the time, with a smartphone nearby, indicating wireless Bluetooth audio streaming capability.
7. Product Overview Video
Video: An official product video from SDI Technologies, Inc. demonstrating the iHome Bluetooth Alarm Clock with USB Charger, showcasing its features and functionality.
Maintenance
To maintain your iHome iOP235, regularly wipe the exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents. Ensure the USB port is free of dust and debris. Do not expose the unit to excessive moisture or extreme temperatures.
Troubleshooting
- No Power: Ensure the AC adapter is securely plugged into both the unit and a working wall outlet.
- Bluetooth Not Pairing: Make sure the unit is in pairing mode (BT indicator flashing) and your device's Bluetooth is enabled. Try moving your device closer to the alarm clock.
- Alarm Not Sounding: Verify that the alarm is set correctly, enabled, and the volume is not set to minimum.
- USB Charging Not Working: Check the charging cable for damage and ensure it is properly connected. Confirm your device is compatible with 5W USB charging.
Specifications
| Feature | Detail |
|---|---|
| Brand | iHome |
| Model Number | iOP235 |
| Color | White |
| Display Type | Digital |
| Special Feature | USB Port |
| Product Dimensions | 3.19"W x 4.81"H |
| Power Source | Corded Electric |
| Item Weight | 0.62 Pounds (9.9 ounces) |
| Connectivity Technology | Bluetooth |
| Manufacturer | SDI Technologies |
| UPC | 047532919028 |
What's in the Box
- 100V - 240V universal voltage AC adapter
Warranty and Support
For operational assistance, warranty information, or further support, please visit the official iHome support page: iHome Support.





