Introduction
Thank you for choosing the 1MORE Piston-Fit USB-C Headphones. This manual provides detailed instructions to help you set up, operate, and maintain your new earphones, ensuring optimal performance and longevity. These in-ear earphones feature a built-in microphone, noise isolation, and a control button, designed for durable wired connectivity with USB-C compatible devices.
Package Contents
The 1MORE Piston-Fit USB-C Headphones package typically includes the following items:
- 1MORE Piston-Fit USB-C Headphones (2 pairs)
- Silicone Ear Tips (various sizes)

Image: Contents of the 1MORE Piston-Fit USB-C Headphones package, including two sets of earphones.
Setup and First Use
- Select Appropriate Ear Tips: The headphones come with extra silicone ear tips. Choose the size that provides a secure and comfortable fit in your ear canal. A proper fit is crucial for optimal sound quality and noise isolation.

Image: Illustration of the 45-degree angled earbud design for proper ear canal fit.
- Connect to Device: Insert the USB-C connector into the USB-C port of your compatible device (e.g., iPhone 15, Samsung Galaxy, Pixel 10, OnePlus, tablets). These headphones are designed for plug-and-play functionality.

Image: Compatibility diagram for USB-C headphones with various mobile devices.
- Position Earbuds: Gently insert the earbuds into your ears, ensuring the 45° angled fit creates a comfortable and sealed experience. This design helps reduce background noise.
Operating Instructions
The 1MORE Piston-Fit USB-C Headphones feature an inline remote and microphone for convenient control of audio playback and calls.
Inline Remote Functions:

Image: Detailed view of the inline remote with microphone and control button functions.
- Play/Pause Music: Press the control button once.
- Next Track: Press the control button twice quickly.
- Previous Track: Press the control button three times quickly.
- Answer/End Call: Press the control button once during an incoming call or active call.
- Reject Call: Press and hold the control button for approximately 2 seconds during an incoming call.
- Activate Voice Assistant: (Functionality may vary by device) Press and hold the control button for approximately 2 seconds when no call is active.
Sound Quality:
The headphones utilize aerospace-grade diaphragms and an in-ear design for sound isolation, contributing to high-fidelity audio reproduction with balanced bass.

Image: Internal driver components designed for pure sound and noise reduction.
Care and Maintenance
- Cleaning: Regularly clean the ear tips with a soft, dry cloth. For deeper cleaning, remove the silicone ear tips and wash them with mild soap and water, ensuring they are completely dry before reattaching. Do not use harsh chemicals or abrasive materials on the earbuds.
- Storage: When not in use, store the headphones in a clean, dry place. Avoid extreme temperatures.
- Cable Care: The Kevlar-reinforced cable is designed to be tangle-free. Avoid excessive pulling or sharp bending of the cable to prevent damage.
- Durability: The earbuds are constructed with 80% aluminum alloy, making them durable and lightweight. Handle with care to prevent scratches or dents.
Troubleshooting
| Problem | Possible Cause | Solution | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No sound or low volume |
|
| ||||||||||||||||||||||||||||||||||||||
| Microphone not working |
|
| ||||||||||||||||||||||||||||||||||||||
| Static or distorted sound |
| Specifications
Warranty Information1MORE products are typically covered by a limited warranty. Please refer to the warranty card included with your purchase or visit the official 1MORE website for the most current and detailed warranty terms and conditions applicable to your region. Keep your proof of purchase for warranty claims. Customer SupportFor further assistance, technical support, or inquiries regarding your 1MORE Piston-Fit USB-C Headphones, please visit the official 1MORE support page or contact their customer service directly. Contact information can usually be found on the 1MORE website or in the product packaging. Official 1MORE Store: 1MORE on Amazon Related Documents - P10
|





