Koss KSC35 Wireless Bluetooth Ear Clip Headphones User Manual

Introduction

Thank you for choosing the Koss KSC35 Wireless Bluetooth Ear Clip Headphones. These headphones are designed to provide high-fidelity audio with the convenience of wireless connectivity. Featuring a unique ear-clip design, they offer a secure and comfortable fit for active lifestyles. This manual will guide you through the setup, operation, and maintenance of your new headphones.

Image: The Koss KSC35 Wireless Bluetooth Ear Clip Headphones, showcasing their black finish and ear-clip design.

Safety Information

Do not expose the headphones to extreme temperatures or humidity.
Avoid dropping or subjecting the headphones to strong impacts.
Do not disassemble or attempt to repair the headphones yourself. This will void the warranty.
Clean the headphones with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
Prolonged listening at high volumes may cause hearing damage. Adjust volume to a safe level.

Package Contents

Please check the package for the following items:

Koss KSC35 Wireless Bluetooth Ear Clip Headphones
USB-C Charging Cable
Carrying Case
Instruction Manual (this document)

Product Overview

The Koss KSC35 Wireless headphones feature a lightweight design with ear clips for a secure fit. The in-line remote provides easy access to controls.

Image: Side view of the Koss KSC35 headphones, highlighting the ear-clip mechanism.

Image: Detailed view of the in-line remote control with buttons for volume, playback, and calls.

Key components include the ear clip, speaker drivers, and the integrated in-line microphone with remote controls for managing audio and calls.

Setup

1. Charging the Headphones

Before first use, fully charge your KSC35 Wireless headphones. A full charge provides up to 18+ hours of battery life.

Locate the USB-C charging port on the in-line remote.
Connect the provided USB-C cable to the charging port and the other end to a USB power source (e.g., computer USB port, wall adapter).
The LED indicator on the remote will show charging status (refer to LED indicator section for details).
Charging time is approximately 6 hours for a full charge.

Koss KSC35 headphones with battery charging icon

Image: The Koss KSC35 headphones with an overlaid battery icon, indicating the charging process.

2. Bluetooth Pairing

To connect your KSC35 Wireless headphones to a Bluetooth-enabled device:

Ensure the headphones are charged and turned off.
Press and hold the multi-function button on the in-line remote until the LED indicator flashes blue and red, indicating pairing mode.
On your device (smartphone, tablet, computer), go to the Bluetooth settings and enable Bluetooth.
Search for available devices. Select "Koss KSC35" from the list.
Once connected, the LED indicator will flash blue slowly. You will hear an audible confirmation.
The headphones will automatically reconnect to the last paired device when turned on, if the device's Bluetooth is active and within range.

Koss KSC35 headphones next to a laptop, ready for pairing

Image: The Koss KSC35 headphones positioned next to a laptop, illustrating a typical pairing scenario.

Operating Instructions

The in-line remote provides convenient control over your audio and calls.

In-line Remote Control Functions
Function	Action	Button
Power On/Off	Press and hold Multi-function button	Multi-function
Play/Pause Music	Press Multi-function button once	Multi-function
Volume Up	Press '+' button	+
Volume Down	Press '-' button	-
Next Track	Press and hold '+' button	+
Previous Track	Press and hold '-' button	-
Answer/End Call	Press Multi-function button once	Multi-function
Reject Call	Press and hold Multi-function button	Multi-function
Activate Voice Assistant	Double-press Multi-function button	Multi-function

For optimal performance, ensure your device is within the Bluetooth range of the headphones.

Maintenance

Cleaning

To maintain the condition of your headphones:

Wipe the ear cushions and exterior surfaces with a soft, dry, lint-free cloth.
Do not use liquid cleaners, sprays, or solvents.
Ensure no moisture enters any openings.

Storage

When not in use, store your headphones in the provided carrying case to protect them from dust and damage. Avoid storing them in direct sunlight or in areas with high humidity.

Troubleshooting

If you encounter any issues with your Koss KSC35 Wireless headphones, please refer to the following common solutions:

Common Issues and Solutions
Problem	Possible Cause	Solution
Headphones won't turn on	Low battery	Charge the headphones fully using the provided USB-C cable.
Cannot pair with device	Headphones not in pairing mode; Device Bluetooth off; Out of range	Ensure headphones are in pairing mode (flashing blue/red LED). Turn on Bluetooth on your device. Move device closer to headphones.
No sound or low volume	Volume too low; Not connected; Incorrect audio output selected on device	Increase volume on both headphones and connected device. Re-pair headphones. Check device's audio output settings.
Intermittent connection	Interference; Out of range; Low battery	Move closer to the connected device. Avoid areas with strong Wi-Fi or other Bluetooth signals. Charge headphones.

If the issue persists, try resetting the headphones (refer to the full manual for specific reset instructions if available, or contact customer support).

Specifications

Model Name: KSC35
Connectivity Technology: Wireless (Bluetooth)
Bluetooth Version: 5.2
Frequency Range: 15 Hz - 25 kHz
Impedance: 60 Ohm
Battery Life: Up to 18+ hours
Charging Time: Approximately 6 Hours
Control Type: In-line remote with microphone
Earpiece Shape: On-ear, Ear-clip design
Material: Foam (ear cushions)
Item Weight: 3.8 Ounces
Water Resistance Level: Not Water Resistant

Warranty and Support

Koss products are known for their quality and durability. The Koss KSC35 Wireless headphones come with a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official Koss website.

For technical support, troubleshooting assistance, or any other inquiries, please contact Koss customer service:

Website: www.koss.com
Contact Information: Refer to the Koss website for the most up-to-date contact details (phone, email, support forms).

Please have your product model number (KSC35) and purchase information ready when contacting support.

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