amazon basics AB-BT21-RGB-BLK
amazon basics AB-BT21-RGB-BLK Tri-Mode Wireless RGB Gaming Headphones User Manual
Model: AB-BT21-RGB-BLK
1. Introduction
Thank you for choosing the amazon basics Tri-Mode Wireless RGB Gaming Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before use.

Image 1.1: The amazon basics Tri-Mode Wireless RGB Gaming Headphones, featuring a detachable microphone and a USB dongle for wireless connectivity.
2. Package Contents
Verify that all items are present in your package:
- 1 x amazon basics Tri-Mode Wireless RGB Gaming Headphones
- 1 x USB-A Dongle for 2.4GHz Wireless Connectivity
- 1 x Type-C Charging Cable
- 1 x 3.5mm AUX Cable
- 1 x Detachable Microphone
- 1 x User Manual (this document)
3. Product Overview
Familiarize yourself with the various components and controls of your headphones.

Image 3.1: Detailed view of the headphone's features, highlighting the RGB lighting, soft cushion headband, detachable microphone, and comfortable earcups.
3.1 Key Components
- Adjustable Headband: For a comfortable fit.
- Soft Earcups: Designed for comfort and sound insulation.
- RGB Lighting: Integrated lighting on the earcups.
- Detachable Microphone: Flexible boom microphone for communication.
- Volume Scroller: For adjusting audio output level.
- Microphone On/Off Button: To mute or unmute the microphone.
- Type-C Charging Jack: For charging the internal battery.
- 3.5mm AUX Port: For wired audio connection.
- Mode Switch Button: To cycle between Bluetooth, 2.4GHz Wireless, and Wired modes.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge the headphones. Connect the supplied Type-C charging cable to the charging jack on the headphones and the other end to a USB power source (e.g., computer USB port, USB wall adapter).
- A full charge provides approximately 30 hours of use with LED lighting enabled, or 50 hours without LED lighting.
- The LED indicator will show charging status (e.g., red for charging, off when fully charged).

Image 4.1: Illustration of the headphone's battery life and capacity, indicating extended usage on a single charge.
4.2 Attaching the Microphone
Insert the detachable microphone into the designated port on the left earcup until it clicks into place. Ensure it is securely connected for proper voice transmission.
4.3 Connectivity Modes
Your headphones support three connectivity modes: Bluetooth, 2.4GHz Wireless (via USB dongle), and 3.5mm Wired.

Image 4.2: A visual guide to the three connectivity options: Bluetooth, 2.4GHz USB-A Dongle, and 3.5mm Wired, along with their respective latency specifications.
4.3.1 Bluetooth Mode
- Power on the headphones.
- Press the Mode Switch button until the headphones enter Bluetooth pairing mode (indicated by a flashing LED).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "amazon basics Gaming Headset".
- Select the headphones to pair. The LED will become solid when connected.
- Bluetooth mode offers latency less than 70ms and is compatible with smartphones, tablets, and all Bluetooth-enabled devices.
4.3.2 2.4GHz Wireless Mode (USB-A Dongle)
- Insert the USB-A dongle into an available USB port on your PC, laptop, PS4, or PS5.
- Power on the headphones.
- Press the Mode Switch button until the headphones enter 2.4GHz wireless mode. The headphones will automatically connect to the dongle.
- This mode provides ultra-fast, lag-free gaming with latency less than 20ms and a maximum transmission distance of 10 meters.
4.3.3 3.5mm Wired Mode
- Connect one end of the supplied 3.5mm AUX cable to the 3.5mm port on the headphones.
- Connect the other end to the 3.5mm audio jack on your device.
- This mode provides 0ms latency and is compatible with all 3.5mm enabled devices. No battery power is required for audio in this mode.

Image 4.3: An overview of the headphones' broad compatibility with various devices, including smartphones, tablets, and gaming consoles.
5. Operation
5.1 Power On/Off
- To power on, press and hold the Power button for approximately 3 seconds.
- To power off, press and hold the Power button for approximately 3 seconds.
5.2 Volume Control
Use the volume scroller located on the earcup to adjust the audio volume. Scroll up to increase volume, and scroll down to decrease volume.
5.3 Microphone Usage
- To mute or unmute the microphone, press the Microphone On/Off button.
- Adjust the flexible boom microphone closer to your mouth for clearer voice capture.
5.4 RGB Lighting
The headphones feature integrated RGB lighting. The lighting can be toggled on or off by a dedicated button (refer to product diagram for exact location) or may be linked to the power state. Turning off the RGB lighting extends battery life.
6. Maintenance
6.1 Cleaning
- Wipe the headphones with a soft, dry cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture into any openings.
6.2 Storage
- Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- When not in use for extended periods, ensure the headphones are fully charged to preserve battery health.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Headphones not powered on, low battery, incorrect mode, volume too low, device not connected. | Ensure headphones are powered on and charged. Check selected connectivity mode. Increase volume. Re-pair/reconnect to your device. |
| Microphone not working | Microphone muted, not properly attached, incorrect input device selected on computer. | Ensure microphone is unmuted and securely attached. Check audio input settings on your device. |
| Cannot connect via Bluetooth/2.4GHz | Out of range, interference, headphones not in pairing mode, device's Bluetooth/USB port issue. | Ensure headphones are within 10m range. Put headphones in pairing mode. Try another USB port for the dongle. Restart both devices. |
| Short battery life | RGB lighting enabled, old battery, frequent charging/discharging. | Turn off RGB lighting to extend battery life. Ensure full charge cycles. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | AB-BT21-RGB-BLK |
| Connectivity Technology | Wireless (Bluetooth, 2.4GHz), Wired (3.5mm Jack) |
| Speaker Size | 50mm |
| Impedance | 32±15% ohm |
| Sound Pressure Level (SPL) | 115±3dB |
| Frequency Range | 20Hz-20kHz |
| Output Power | ≥ 20mW |
| Battery Capacity | 1000mAh Lithium Ion |
| Battery Life (with LED) | Approx. 30 hours |
| Battery Life (without LED) | Approx. 50 hours |
| Wireless Latency | 2.4GHz: < 20ms; Bluetooth: < 70ms |
| Transmission Distance | Max 10 meters |
| Material | Plastic |
| Item Weight | 304 Grams |
| Product Dimensions (LxWxH) | 19.6 x 22.5 x 8.7 cm |
| Noise Control | Active Noise Cancellation |

Image 8.1: Visual representation of key audio specifications, including 115dB output and 50mm speaker drivers.

Image 8.2: Detailed dimensions of the headphones and the accompanying USB dongle.
9. Safety Information
- Avoid prolonged listening at high volumes to prevent hearing damage.
- Do not use headphones while driving or cycling where inability to hear ambient sounds could be dangerous.
- Keep out of reach of children.
- Do not expose to extreme temperatures, humidity, or liquids.
- Do not attempt to disassemble or repair the headphones yourself. This will void the warranty.
10. Warranty and Support
For warranty information and customer support, please refer to the warranty card included in your package or visit the official amazon basics support website. Keep your purchase receipt for warranty claims.
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