BuddyPhones Cosmos Fun
BuddyPhones Cosmos Fun Headphones User Manual
Model: Cosmos Fun
Brand: BuddyPhones
Introduction
The BuddyPhones Cosmos Fun are versatile headphones designed for children, offering both wired and wireless connectivity, Active Noise Cancellation (ANC), and SafeAudio volume-limiting options. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal use and longevity of your headphones.
What's Included
Upon unboxing your BuddyPhones Cosmos Fun, you will find the following items:
- BuddyPhones Cosmos Fun Headphones
- Fabric Travel Bag
- Charging Cable (USB-A to USB-C)
- 3.5mm Audio Cable (BuddyLink Cable)
- 4 Sets of Personalization Decals
- User Manual
- Pina Promotional Discount Coupon
- BuddyPhones Warranty Card
- Mussila Music School Free Trial Coupon

Image: All items included in the BuddyPhones Cosmos Fun package.
Video: An unboxing demonstration of the BuddyPhones Cosmos Fun headphones, showing all included accessories and documentation.
Key Features
- SafeAudio Volume-Limiting: Three listening modes: ToddlerMode (75dB), KidsMode (85dB), and TravelMode (94dB) to protect hearing.
- Hybrid Active Noise Cancellation (ANC): Reduces external background noise for clearer listening.
- StudyMode: Isolates voices for enhanced clarity during learning or watching lessons.
- Dual Connection: Use wirelessly via Bluetooth or wired with the included 3.5mm cable.
- Long Battery Life: Up to 42 hours of wireless playback.
- Built-in Microphone: For calls and online interactions.
- Foldable & Adjustable Design: Ensures comfort and portability for various age groups.
- Personalization: Comes with 4 sets of decorative stickers.
- Worry-Free Materials: Made with BPA and phthalate-free materials, certified by TÜV & UL.

Image: Visual summary of BuddyPhones Cosmos Fun key features.

Image: A child using the headphones with Active Noise Cancellation enabled, reducing background distractions.

Image: A child utilizing the StudyMode feature for focused learning with clear vocal isolation.

Image: Display of BuddyPhones Cosmos Fun in multiple colors, showcasing personalization options with included stickers.
Setup
1. Charging the Headphones
Before first use, fully charge your BuddyPhones Cosmos Fun. Connect the provided USB-C charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off when fully charged.
2. Powering On/Off
To power on the headphones, press and hold the multi-function button for 2 seconds. The LED indicator will light up. To power off, press and hold the multi-function button again until the LED turns off.
Video: Demonstration on how to power on the headphones and perform a factory reset.
Operating Instructions
1. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the multi-function button for approximately 5 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for "BuddyPhones Cosmos Fun".
- Select the headphones from the list to connect. The LED will turn solid blue when successfully paired.
2. Adjusting Volume
Use the volume up (+) and volume down (-) buttons on the headphones to adjust the listening volume. Remember that the headphones feature SafeAudio volume limiting, so the maximum volume will be capped according to the selected listening mode.
Video: A guide on how to adjust the volume on BuddyPhones Cosmos Fun headphones.
3. Switching Volume Limit Modes (SafeAudio)
The BuddyPhones Cosmos Fun offers three SafeAudio listening modes: ToddlerMode (75dB), KidsMode (85dB), and TravelMode (94dB). To switch between these modes:
- Hold both the volume up (+) and volume down (-) buttons together for 2 seconds.
- The LED light will flash to indicate the current mode:
- 1 flash: ToddlerMode (75dB)
- 2 flashes: KidsMode (85dB) - Default
- 3 flashes: TravelMode (94dB)
- Repeat the action to cycle through the modes.
4. Active Noise Cancellation (ANC) and StudyMode
The headphones feature a dedicated switch for ANC and StudyMode. Toggle the switch to activate or deactivate these features as needed. ANC reduces ambient noise, while StudyMode enhances vocal clarity.
5. Wired Connection (BuddyLink)
When the battery is low or for devices without Bluetooth, use the included 3.5mm audio cable. Plug one end into the headphone's audio jack and the other into your device's audio output. The headphones will function in passive mode without requiring battery power.
Maintenance
- Clean the ear pads and headband regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners.
- Store the headphones in the provided travel bag when not in use to protect them from dust and damage.
- Do not expose the headphones to extreme temperatures or moisture.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones won't turn on | Ensure the headphones are charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth |
|
| No sound in wired mode | Ensure the 3.5mm audio cable is fully inserted into both the headphones and the audio source. Check the volume levels on both the headphones and the connected device. |
| ANC/StudyMode not working | Ensure the ANC/StudyMode switch is in the correct position. Check battery level as these features require power. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 840173600931 |
| Product Dimensions | 5.51 x 7.87 x 2.95 inches |
| Item Weight | 8 ounces |
| Battery Type | 1 Lithium Polymer battery (included) |
| Battery Life | Up to 42 hours |
| Connectivity | Bluetooth, 3.5mm Wired |
| Volume Limit Modes | 75dB (ToddlerMode), 85dB (KidsMode), 94dB (TravelMode) |
| Noise Cancellation | Hybrid Active Noise Cancellation (ANC) |
| Special Features | StudyMode, Built-in Microphone, Foldable Design, Adjustable Headband |
Warranty and Support
BuddyPhones products are designed for durability and come with a warranty. Please refer to the included BuddyPhones Warranty Card for specific terms and conditions regarding your product's warranty coverage.
For technical support, troubleshooting assistance, or warranty claims, please contact ONANOFF Official, the seller, directly through their official channels or visit the BuddyPhones website for support resources.
Additional protection plans are available for purchase to extend coverage beyond the standard warranty. Details can be found on the product's purchase page or by contacting the seller.
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