Introduction
The Belkin SoundForm Rhythm True Wireless Earbuds are designed to provide a high-quality audio experience with features such as Environmental Noise Cancellation (ENC), Bluetooth multipoint connectivity, and extended battery life. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your earbuds.
What's in the Box
Upon unboxing your Belkin SoundForm Rhythm True Wireless Earbuds, verify that all the following components are included:
- SoundForm Rhythm True Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cord
Image: The Belkin SoundForm Rhythm True Wireless Earbuds, showing both earbuds and their charging case. The earbuds are black, and the case is also black with three white LED indicators on the front.
Setup
Charging the Earbuds and Case
Before initial use, fully charge the earbuds and the charging case. The case features a USB-C port for charging.
- Connect the provided USB-C charging cord to the charging port on the case.
- Connect the other end of the USB-C cable to a compatible USB power adapter (not included).
- The LED indicators on the case will illuminate to show charging status. A full charge provides 28 hours of total playtime (8 hours in earbuds + 20 hours from case).
- A 10-minute fast charge provides approximately 90 minutes of playtime.
Image: A graphic illustrating the USB-C fast charging capability of the Belkin SoundForm Rhythm earbud case. A USB-C cable is shown plugged into the charging case, with lightning bolt icons indicating fast charging.
Bluetooth Pairing
The earbuds utilize Bluetooth 5.3 for stable and efficient wireless connection.
- Ensure the earbuds are in the charging case and the case lid is open.
- On your device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
- Select "Belkin SoundForm Rhythm" from the list of available devices.
- Once connected, the earbuds are ready for use.
Bluetooth Multipoint: These earbuds support simultaneous connection to two devices. This allows for seamless switching between audio sources, such as taking a call on your laptop while listening to music on your phone.
Image: A graphic demonstrating Bluetooth multipoint connectivity. It shows a pair of hands holding the earbud case, with a phone and a tablet icon in the background, indicating simultaneous connection to multiple devices.
Operating Instructions
Battery Life
The SoundForm Rhythm earbuds offer extended listening time:
- Up to 8 hours of playtime per earbud on a single charge.
- An additional 20 hours of charge are available from the charging case, totaling up to 28 hours of combined playtime.
Image: A graphic highlighting the extended playtime of the earbuds, showing "8h Per earbud" and "20h In charging case" with an illustration of the earbuds and case.
Call Quality (Environmental Noise Cancellation - ENC)
The earbuds are equipped with Environmental Noise Cancellation (ENC) technology. This feature reduces background noise during calls, ensuring clearer communication for the person you are speaking with.
Image: A graphic illustrating the Clear Call Quality technology with Environmental Noise Cancellation (ENC). It shows an earbud with sound waves, indicating built-in voice isolation for clearer calls.
Audio Performance (Belkin Signature Sound)
Experience full, balanced, high-fidelity audio with Belkin Signature Sound, engineered for premium listening across various content types.
Image: A graphic showcasing the Belkin Signature Sound, with earbuds positioned over sound waves, indicating engineered premium listening with full, balanced high-fidelity audio.
Water Resistance (IPX5)
The earbuds are rated IPX5 for water resistance, making them suitable for workouts and protection against splashes and light rain. They are not designed for submersion in water.
Compact Design
The slim and compact charging case is designed for portability, allowing it to fit easily into pockets and bags for convenient transport.
Image: A close-up image showing the compact charging case of the Belkin SoundForm Rhythm earbuds tucked into a pocket of a bag, illustrating its portability.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Do not use abrasive cleaners or solvents.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Water Exposure: While IPX5 water resistant, avoid prolonged exposure to water or submersion. Dry thoroughly if exposed to moisture before placing back in the charging case.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Earbuds not in pairing mode, out of range, or low battery. | Ensure earbuds are in the case with the lid open. Check battery levels. Move closer to the device. Try forgetting the device on your phone and re-pairing. |
| No sound from one earbud | One earbud might be disconnected or have low battery. | Place both earbuds back in the case, close the lid for 5 seconds, then open and try again. Ensure both earbuds are charged. |
| Poor call quality | Excessive background noise or poor connection. | Ensure the earbuds are properly seated in your ears. Move to a quieter environment if possible. Check Bluetooth connection stability. |
| Charging case not charging | Faulty cable or power adapter, or debris in port. | Try a different USB-C cable and power adapter. Inspect the charging port for any obstructions. |
Specifications
- Model Name: Belkin SoundForm Rhythm
- Model Number: AUC012btBK
- Connectivity Technology: Wireless (Bluetooth 5.3)
- Wireless Communication Technology: Bluetooth
- Bluetooth Range: Up to 30 feet (10 meters)
- Battery Life: 8 hours (earbuds) + 20 hours (case) = 28 hours total
- Fast Charging: 10 minutes charge for 90 minutes playtime
- Water Resistance Level: IPX5 (Sweat and Water Resistant)
- Microphones: 1 mic in each earbud with Environmental Noise Cancellation (ENC)
- Audio Driver Type: 6mm Dynamic Driver
- Frequency Response: 20 Hz - 20,000 Hz
- Control Type: Media Control (Remote)
- Charging Port: USB-C
- Compatible Devices: Apple iPhone 15/14/13/12 Series, Samsung Galaxy S24/S23/S22 Series, Google Pixel 8/7, iPad Pro, Tablets, MacBook Pro, and other Bluetooth compatible devices.
- Item Weight: 80 Grams (2.82 ounces)
- Product Dimensions: 1.1 x 4.02 x 4.09 inches
- Materials: Made with post-consumer recycled materials (75% total aggregate) and 100% plastic-free packaging.
Warranty and Support
Belkin SoundForm Rhythm True Wireless Earbuds come with a 2-year warranty. For warranty claims or technical support, please refer to the official Belkin support channels or visit their website. Keep your proof of purchase for warranty validation.
Belkin is an established accessories market leader creating high-quality, innovative tech solutions for 40 years. More than 150 tests are conducted on each Belkin audio product before they reach shelves.