233621 7149
233621 Trip Model 7149 Active Noise Cancelling Bluetooth Headphones User Manual
Your guide to setting up, operating, and maintaining your 233621 Trip ANC Headphones.
1. Product Overview
The 233621 Trip Active Noise Cancelling Headphones are designed to provide an immersive audio experience with advanced noise reduction technology and comfortable wear. This manual will guide you through its features and functions.
Key Features
- Powerful Noise Cancellation: Independent noise reduction chip reduces ambient noise by up to 90%. Features ANC on/off and Transparent modes.
- Excellent Sound & Deep Bass: 40mm dynamic drivers deliver deep bass, accurate mids, and clear highs. Supports Aptx codec.
- Clear Calls & Fast Pairing: CVC6.0 technology for clear calls in noisy environments. Bluetooth 5.0 for lower latency, faster pairing, and stable connection.
- Extended Playtime: Up to 40 hours in standard mode, 20 hours with ANC on. Quick charging provides 2 hours of playtime from a 10-minute charge.
- Multi-Device Connection: Connects to two devices simultaneously. Includes a 3.5mm audio cable for wired connections.
- Lightweight & Comfortable: Weighs 222g (7.8oz) with soft, pressure-relieving earpads and a swivel foldable design.

2. What's in the Box
Upon opening your product packaging, please ensure all the following items are present:
- 233621 Trip Active Noise Cancelling Headphones
- USB Charging Cable
- 3.5mm Audio Cable
- Storage Bag
- User Manual (this document)
3. Setup
3.1 Charging the Headphones
Before first use, fully charge your headphones. Use the provided USB-C charging cable.
- Connect the USB-C end of the cable to the charging port on the headphones.
- Connect the USB-A end to a compatible USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status. It will typically turn off or change color when fully charged.
A 10-minute charge provides approximately 2 hours of playtime. A full charge takes about 2 hours and offers up to 40 hours of listening in standard mode or 20 hours with ANC enabled.

3.2 Power On/Off
- To Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator flashes.
- To Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off.
3.3 Bluetooth Pairing
The headphones utilize Bluetooth 5.0 for a stable wireless connection.
- Ensure the headphones are powered off.
- Press and hold the Power button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "233621 Trip" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.

3.4 Wired Connection
For devices without Bluetooth or when battery is low, use the included 3.5mm audio cable.
- Plug one end of the 3.5mm audio cable into the headphone's audio jack.
- Plug the other end into your audio source's 3.5mm port.
- The headphones will function as passive wired headphones. ANC features may not be available in wired mode if the headphones are powered off.
4. Operating Instructions
4.1 Active Noise Cancellation (ANC)
The headphones offer three noise-cancelling modes:
- ANC On: Reduces ambient noise significantly for an immersive listening experience.
- ANC Off: Disables noise cancellation.
- Transparent Mode: Allows you to hear your surroundings while still enjoying your audio, useful for awareness in urban environments.
To cycle through ANC modes, locate the dedicated ANC button on the headphone earcup and press it. The LED indicator will change to reflect the active mode.


4.2 Call Management
The built-in microphone with CVC6.0 technology ensures clear hands-free calls.
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Redial Last Number: Double-press the Multi-function button.

4.3 Audio Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Press the Volume Up button.
- Volume Down: Press the Volume Down button.

4.4 Multi-Device Connection
The headphones support simultaneous connection to two Bluetooth devices.
- Pair the headphones with the first device as described in section 3.3.
- Disconnect Bluetooth on the first device. The headphones will re-enter pairing mode.
- Pair the headphones with the second device.
- Reconnect Bluetooth on the first device. The headphones should now be connected to both devices.
You can switch between devices by pausing audio on one and playing on the other.

4.5 Lightweight Comfort
The 233621 Trip headphones are designed for extended wear, weighing only 222g (7.8oz). They feature a swivel foldable design for portability and larger, deeper ergonomic ear cups with memory foam earpads for pressure-relieving comfort.

4.6 Product Video
5. Maintenance
5.1 Cleaning
- Wipe the headphones with a soft, dry cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Keep the charging port and audio jack free of dust and debris.
5.2 Storage
- Store the headphones in the provided storage bag when not in use to protect them from dust and scratches.
- Avoid storing in extreme temperatures or high humidity.
6. Troubleshooting
If you encounter issues with your 233621 Trip headphones, please refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Headphones do not power on | Ensure the headphones are charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth | Ensure headphones are in pairing mode (LED flashing red/blue). Turn off and on Bluetooth on your device. Move headphones closer to the device. |
| No sound or low volume | Check volume levels on both headphones and your connected device. Ensure headphones are properly paired or the 3.5mm cable is fully inserted. |
| ANC not working effectively | Ensure ANC is enabled. Check that earcups form a good seal around your ears. |
| Poor call quality | Ensure the microphone is not obstructed. Move to a quieter environment if possible. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | 7149 |
| Brand | 233621 |
| Connectivity Technology | Wired, Wireless (Bluetooth 5.0) |
| Noise Control | Active Noise Cancellation |
| Headphones Jack | 3.5 mm Jack |
| Battery Life | Up to 40 Hours (Standard), 20 Hours (ANC On) |
| Charging Port | USB-C |
| Item Weight | 222g (7.8 ounces) |
| Product Dimensions | 9.45 x 8.66 x 2.76 inches |
| Material | Metal, Plastic |
| Impedance | 16 Ohms |
| Control Method | Touch, Buttons |
| UPC | 713091934559 |
8. Warranty Information
233621 products are manufactured to high-quality standards. This product is covered by a limited warranty against defects in materials and workmanship from the date of original purchase. Please retain your proof of purchase for warranty claims. Specific warranty terms and conditions may vary by region. For detailed warranty information, please refer to the warranty card included with your product or contact customer support.
9. Support
For further assistance, technical support, or warranty inquiries, please visit the official 233621 website or contact their customer service department. Contact details can typically be found on the product packaging or the brand's official online store.
Online Store: Visit the 233621 Store on Amazon
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