Introduction
The BuddyPhones Cosmos Fun headphones are designed to provide a safe and versatile audio experience for children. They feature Active Noise Cancelling (ANC) and multiple volume-limiting SafeAudio modes to protect young ears. These headphones can be used wirelessly via Bluetooth or with a wired connection, offering flexibility for various activities and environments.

Image: Overview of BuddyPhones Cosmos Fun key features.
Product Overview Video
Video: An overview of the BuddyPhones Cosmos Fun Hybrid ANC Wireless Kids Headphones, showcasing their design and primary functions.
What's Included
Your BuddyPhones Cosmos Fun package includes the following items:
- CosmosFun Headphones
- Fabric Travel Bag
- USB-C Charging Cable
- 3.5mm Audio Cable for Wired Connections
- 4 Sets of Personalization Decals

Image: All items included in the CosmosFun package.
Unboxing Video
Video: A detailed unboxing of the BuddyPhones Cosmos Fun headphones, showing all included accessories.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided USB-C charging cable to the charging port on the headphones and the other end to a compatible USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off when fully charged. A full charge provides up to 42 hours of battery life.
2. Powering On/Off
- To Power On: Press and hold the multi-function button (usually the center button) for 2 seconds until the LED indicator lights up.
- To Power Off: Press and hold the multi-function button for 3-5 seconds until the LED indicator turns off.
3. Bluetooth Pairing
To connect your headphones wirelessly:
- Ensure the headphones are powered off.
- Press and hold the multi-function button for approximately 5-7 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "BuddyPhones Cosmos Fun" from the list.
- Once connected, the LED indicator will turn solid blue.
4. Wired Connection
For a wired connection, use the provided 3.5mm audio cable. Plug one end into the audio jack on the headphones and the other end into your audio device. The headphones will automatically switch to wired mode, conserving battery life.
Operating Instructions
1. Volume Control and SafeAudio Modes
The Cosmos Fun headphones feature three volume-limiting SafeAudio modes to protect hearing:
- ToddlerMode: Maximum 75dB
- KidsMode: Maximum 85dB
- TravelMode: Maximum 94dB
To switch between modes, use the dedicated volume buttons on the headphones. Refer to the user manual for specific button combinations to cycle through these modes.

Image: Explanation of SafeAudio volume modes.
Adjusting Volume Video
Video: Demonstrates how to adjust the volume and switch between SafeAudio modes on Cosmos Fun headphones.
2. Active Noise Cancelling (ANC)
Active Noise Cancelling technology reduces ambient background noise, allowing for clearer listening in noisy environments. This feature helps maintain a safe listening volume by minimizing the need to increase volume to overcome external sounds.

Image: Active Noise Cancelling feature in use.
3. StudyMode
StudyMode isolates voices from other sounds, providing crisp and clear vocals. This is ideal for educational content, online lessons, or watching videos where speech clarity is important.

Image: StudyMode feature for enhanced vocal clarity.
4. Built-in Microphone
The headphones include a built-in microphone, allowing for hands-free communication during calls or interactive learning sessions.
5. Foldable and Adjustable Design
The headphones feature a foldable design for compact storage and easy portability. The adjustable headband ensures a comfortable fit for various head sizes, from toddlers to young adults.

Image: Foldable and adjustable design of the headphones.
6. Personalization
Customize your headphones with the included 4 sets of personalization decals. These stickers can be applied to the earcups to add a unique touch.

Image: Personalization decals for the headphones.
Maintenance
Cleaning
To clean your headphones, gently wipe the surfaces with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used. Avoid using harsh chemicals or abrasive cleaners, as these can damage the materials.
Storage
When not in use, store the headphones in the provided fabric travel bag to protect them from dust and scratches. The foldable design allows for compact storage, making them easy to carry in a backpack or luggage.
Troubleshooting
If you encounter issues with your BuddyPhones Cosmos Fun, try the following:
- No Sound: Ensure the headphones are powered on and charged. Check the volume levels on both the headphones and your connected device. If using a wired connection, ensure the 3.5mm cable is securely plugged in.
- Cannot Pair via Bluetooth: Make sure the headphones are in pairing mode (flashing blue and red LED). Turn off and on Bluetooth on your device. Try forgetting the device in your Bluetooth settings and re-pairing.
- Charging Issues: Verify the USB-C cable is correctly connected and the power source is functional. Try a different charging cable or power adapter.
- Intermittent Connection: Ensure your device is within the Bluetooth range (typically up to 10 meters). Avoid obstacles that might interfere with the signal.
How to Reset the Headphones
Video: Instructions on how to perform a factory reset on the BuddyPhones Cosmos Fun headphones.
Specifications
| Product Dimensions | 5.51 x 7.87 x 2.95 inches |
| Item Weight | 8 ounces |
| Item Model Number | 840173600917 |
| Batteries | 1 Lithium Polymer battery required (included) |
| Manufacturer | Onanoff |
Warranty and Support
For warranty information, product support, or any inquiries, please refer to the official BuddyPhones website or contact their customer service directly. Keep your proof of purchase for warranty claims.