1. Introduction
Thank you for choosing Coby Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your new headphones. Please read it thoroughly before use to ensure optimal performance and safety.
Package Contents
- Coby Bluetooth Headphones
- Micro USB Charging Cable
- 3.5mm AUX Cable
- User Manual

Image: The retail box for the Coby Bluetooth Headphones, illustrating the included items: the headphones, a charging cable, an AUX cable, and the user manual.
2. Safety Information
To ensure safe and proper operation, please observe the following guidelines:
- Do not use the headphones at excessively high volumes for extended periods, as this may cause hearing damage.
- Avoid using headphones while driving, cycling, or in situations where inability to hear ambient sounds could be dangerous.
- Keep the headphones away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble, repair, or modify the headphones. This will void the warranty and may cause damage.
- Use only the provided charging cable or a certified equivalent.
- Dispose of the product responsibly according to local regulations.
3. Product Overview
The Coby Bluetooth Headphones feature an over-ear design with soft earcups and an adjustable headband for comfortable wear. Their foldable design makes them highly portable.
Headphone Components

Image: A front-facing view of the Coby Bluetooth Headphones, showcasing the over-ear design, adjustable headband, and control buttons on the right earcup.

Image: A detailed view highlighting the adjustable headband, comfortable earcups, and seamless controls including power, play/pause, next/back, and mute buttons. Also indicates 3.5mm AUX input and Bluetooth wireless capability.

Image: The Coby Bluetooth Headphones shown in their folded, compact state, emphasizing their travel-friendly design for easy and safe storage.
Key features include:
- Adjustable Headband: For a comfortable and secure fit.
- Control Buttons: Located on the earcup for easy access to power, volume, track control, and mode switching.
- Built-in Microphone: For hands-free calling.
- 3.5mm AUX Input: For wired connection to audio devices.
- TF Card Slot: Allows direct playback of music from a TF (MicroSD) card.
- Micro USB Charging Port: For recharging the internal battery.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge the headphones. Connect the Micro USB charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED indicator will show charging status and turn off or change color when fully charged. A full charge provides up to 5 hours of playtime.
4.2 Powering On/Off
- To Power On: Press and hold the Power button (usually the Play/Pause button) for approximately 3 seconds until the LED indicator lights up and you hear an audible prompt.
- To Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off and you hear an audible prompt.
4.3 Bluetooth Pairing
To connect your headphones to a Bluetooth-enabled device:
- Ensure the headphones are powered off.
- Press and hold the Power button for about 5-7 seconds until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Coby CHBT590" (or similar name) from the list of found devices.
- Once paired, the LED indicator on the headphones will flash blue slowly, and you will hear a confirmation tone.
The headphones will automatically attempt to reconnect to the last paired device when powered on, if it is within range (up to 33 feet).
5. Operating Instructions
5.1 Basic Controls
| Button/Action | Function |
|---|---|
| Power Button (Play/Pause) | Press and hold to Power On/Off. Short press to Play/Pause music. |
| "+" Button | Short press to increase volume. Long press for Next Track. |
| "-" Button | Short press to decrease volume. Long press for Previous Track. |
| "M" Button (Mode) | Short press to switch between Bluetooth, TF Card, and AUX modes. |
5.2 Hands-Free Calling
When connected via Bluetooth, you can manage phone calls directly from your headphones:
- Answer/End Call: Short press the Power button.
- Reject Call: Long press the Power button.
- Redial Last Number: Double-press the Power button.
5.3 TF Card Mode
Insert a TF (MicroSD) card with MP3 audio files into the TF card slot. The headphones will automatically switch to TF Card mode and begin playing music from the card. Use the "+" and "-" buttons for track control and volume adjustment.
5.4 AUX Mode (Wired Connection)
To use the headphones with non-Bluetooth devices or when the battery is depleted:
- Connect one end of the provided 3.5mm AUX cable to the AUX input on the headphones.
- Connect the other end to the audio output jack of your device.
- The headphones will automatically switch to AUX mode. Note that control buttons on the headphones may not function in AUX mode; control playback and volume directly from your connected device.
6. Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the headphones. Do not use abrasive cleaners, solvents, or spray directly onto the headphones.
- Storage: When not in use, store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures. The foldable design allows for compact storage.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the headphones regularly, even if not used for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Battery is low or depleted. | Charge the headphones fully using the provided USB cable. |
| Cannot pair with Bluetooth device. | Headphones not in pairing mode; device Bluetooth off; too far apart. | Ensure headphones are in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move headphones closer to the device (within 33 feet). Forget previous pairings on your device and try again. |
| No sound or low volume. | Volume too low; incorrect mode; loose AUX cable. | Increase volume on both headphones and connected device. Press "M" button to ensure correct mode (Bluetooth, TF, AUX). Re-insert AUX cable firmly. |
| Sound is distorted or cuts out. | Interference; too far from device; low battery. | Move closer to the connected device. Avoid strong electromagnetic interference. Charge the headphones. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | CHBT590 |
| Connectivity Technology | Wireless (Bluetooth), Wired (3.5mm AUX) |
| Wireless Communication Technology | Bluetooth 5.3 |
| Bluetooth Range | Up to 33 feet (10 meters) |
| Battery Life | Up to 5 hours (playtime) |
| Audio Driver Size | 40 Millimeters |
| Impedance | 32 Ohm |
| Noise Control | Sound Isolation |
| Material | Plastic |
| Item Weight | 9.1 ounces |
| Product Dimensions | 7.68 x 4.33 x 2.72 inches |
9. Warranty and Support
Coby products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty from the date of original purchase. For detailed warranty information, technical support, or customer service inquiries, please refer to the warranty card included in your package or visit the official Coby website.
For further assistance, please contact Coby Customer Support.





