Introduction
This user manual provides detailed instructions for the ONITOON Cat Ear Bluetooth Headphones Model B90. It covers setup, operation, maintenance, and troubleshooting for both wireless and wired use, ensuring you get the most out of your headphones.

Image: A pair of black ONITOON Cat Ear Bluetooth Headphones, showcasing the overall design.
What's in the Box
- 1x ONITOON Bluetooth Cat Ear Headphones
- 1x 3.5mm Audio Cable
- 1x USB Charging Cable
- 1x User Manual
Product Overview: Controls and Ports
Familiarize yourself with the headphone controls and ports for optimal use.

Image: Detailed view of the headphone earcup, clearly labeling the control buttons for volume up/down, play/pause, power on/off, the charging port, 3.5mm audio port, and indicator light.
- On/Off Button: Powers the headphones on or off.
- Volume Up/Next Track Button: Short press for volume up, long press for next track.
- Volume Down/Previous Track Button: Short press for volume down, long press for previous track.
- Play/Pause/Call Button: Single click to play/pause music or answer/end calls.
- Charging Port: Connect the USB charging cable here.
- 3.5mm Audio Port: For wired connection using the included audio cable.
- Built-in Microphone: For hands-free calls.
- Indicator Light: Displays power, charging, and Bluetooth status.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Connect the provided USB charging cable to the charging port on the headphones and to a USB power source (e.g., computer, wall adapter). The indicator light will show charging status and turn off or change color when fully charged.
2. Bluetooth Pairing (Wireless Mode)
- Ensure the headphones are turned off.
- Press and hold the On/Off Button until the indicator light flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "ONITOON B90" from the list of devices.
- Once connected, the indicator light will turn solid blue or flash slowly.
3. Wired Connection (Aux Mode)
To use the headphones in wired mode, connect one end of the 3.5mm audio cable to the headphone's 3.5mm audio port and the other end to your device's audio jack. This mode works even if the headphone battery is depleted.

Image: An image displaying two pairs of ONITOON Cat Ear Headphones, one highlighting the 55-hour wireless Bluetooth playtime and the other showing the wired mode with unlimited playtime via a 3.5mm audio cable.
Operating Instructions
Power On/Off
- Power On: Press and hold the On/Off Button for approximately 3 seconds until the indicator light turns on.
- Power Off: Press and hold the On/Off Button for approximately 3 seconds until the indicator light turns off.
Music Playback
- Play/Pause: Single click the Play/Pause/Call Button.
- Volume Up: Short press the Volume Up Button.
- Volume Down: Short press the Volume Down Button.
- Next Track: Long press the Volume Up Button.
- Previous Track: Long press the Volume Down Button.
Call Management
- Answer/End Call: Single click the Play/Pause/Call Button.
- Reject Call: Long press the Play/Pause/Call Button.
LED Light Control
The headphones feature 7 colorful LED light modes. To cycle through the modes or turn the lights off, locate the dedicated LED light button (often integrated with another control or a separate small button, refer to the product overview image for exact location if available). Short press to change mode, long press to turn off/on.

Image: The ONITOON Cat Ear Headphones with their distinctive cat ears and earcups glowing with colorful LED lights, demonstrating the 7 LED light modes.
Comfort and Fit
The ONITOON Cat Ear Headphones are designed for comfort during extended use. They feature an adjustable headband and soft, padded earcups to fit various head sizes and shapes.

Image: A person wearing the ONITOON Cat Ear Headphones, emphasizing the comfortable design with soft earpads and a padded, adjustable headband.

Image: An image collage showing children and adults wearing the ONITOON Cat Ear Headphones, illustrating their adjustable design suitable for various head sizes.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in constant use.
- Water Resistance: These headphones are not water resistant. Avoid exposure to liquids.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect them to a power source using the USB charging cable. |
| Cannot pair via Bluetooth. |
|
| No sound in wireless mode. |
|
| No sound in wired mode. |
|
| LED lights are not working. | Ensure the headphones are powered on. Press the LED light control button to cycle through modes or turn them on. Note that LED lights consume battery faster. |
Specifications
| Feature | Detail |
|---|---|
| Brand | ONITOON |
| Model Number | B90 |
| Connectivity Technology | Wireless (Bluetooth 5.3), Wired (3.5mm Jack) |
| Bluetooth Range | 10 Meters |
| Audio Driver Size | 40 Millimeters |
| Impedance | 32 Ohms |
| Frequency Response | 20Hz - 20kHz |
| Sensitivity | 105 dB |
| Battery Life (RGB off) | Up to 55 Hours |
| Battery Life (RGB on) | Up to 8 Hours |
| Control Type | Volume Control, Touch |
| Ear Placement | Over Ear |
| Weight | 245 Grams |
| Additional Features | Adjustable Headband, Cat Ear LED Light Up, Built-in Microphone |
| Compatible Devices | iPhone, iPad, PC, Laptop, Smartphone, TV |
Product Videos
Video: Official product video demonstrating the features and design of the ONITOON Cat Ear Headphones, including LED lights and comfortable fit.
Video: A short official product video from ONITOON showcasing the aesthetic appeal and key features of the Cat Ear Headphones.
Warranty and Support
The product comes with a manufacturer's warranty. For any issues or support inquiries, please refer to the contact information provided with your purchase or visit the official ONITOON website. The manufacturer aims to resolve issues within 24 hours.
Note: Please charge the headphones before initial use to ensure optimal performance.
