1. Product Overview
The SHIQUN BT-89 is a Bluetooth wireless handheld microphone speaker designed for use with compatible mobile and car radio transceivers. It offers hands-free communication with clear audio transmission and reception.

Image 1.1: The BT-89 Bluetooth Wireless Handheld Microphone Speaker shown with its included accessories: an 8-pin adapter, a USB charging cable, a US adapter, and a belt clip.
Package Contents:
- 1 x BT-89 Bluetooth Wireless Handheld Microphone Speaker
- 1 x 8-pin Adapter
- 1 x USB Charging Cable
- 1 x US Power Adapter
- 1 x Belt Clip
2. Safety Information
Please read and understand the following safety guidelines before using the BT-89 microphone speaker:
- Battery Safety: Keep batteries away from extreme temperatures and humidity. Do not expose the device to fire or excessive heat.
- Bluetooth Device: This device operates using Bluetooth technology and may interfere with other wireless devices. Use in accordance with local regulations and guidelines.
- Vehicle Use: Do not operate the device while driving. Ensure the device is securely placed and does not obstruct the driver's view or control.
3. Setup and Charging
3.1 Charging the Device
Before initial use, fully charge the BT-89 microphone speaker. Use the provided USB charging cable and US power adapter.
- Connect the small end of the USB charging cable to the charging port on the BT-89 microphone speaker.
- Connect the larger end of the USB cable to the US power adapter.
- Plug the US power adapter into a standard electrical outlet.
- The charging indicator light will illuminate. Once fully charged, the indicator light may change color or turn off.

Image 3.1: The BT-89 microphone speaker showing the USB charging port and connection to the USB charging cable.
3.2 Connecting to a Radio Transceiver
The BT-89 connects wirelessly via Bluetooth to compatible radio transceivers. An 8-pin adapter is included for specific radio models.
- Ensure your radio transceiver's Bluetooth function is enabled and in pairing mode. Refer to your radio's manual for specific instructions.
- Power on the BT-89 microphone speaker by pressing and holding the power button (usually marked with a power symbol) until an indicator light or audio prompt confirms it is on.
- The BT-89 will automatically enter pairing mode or can be manually set to pairing mode (refer to the device's indicator lights for status).
- On your radio transceiver, search for available Bluetooth devices. Select "BT-89" from the list to pair.
- Once paired, an indicator light on the BT-89 will confirm the connection, and an audio prompt may sound.
- For radios requiring an 8-pin connection, connect the provided 8-pin adapter to your radio's microphone port, then ensure the BT-89 is paired wirelessly.
Compatible Models: KT-8900, KT-8900D, KT-8900R, KT-7900, KT-7900D, KT-980 Plus, KT-780 Plus, KT-5800. If you encounter compatibility issues, please refer to the Troubleshooting section or contact support.
4. Operating Instructions
4.1 Basic Controls

Image 4.1: Various angles of the BT-89 microphone speaker, highlighting its design and button placement.
- Power Button: Press and hold to power on/off. A short press may activate other functions depending on the mode.
- PTT (Push-To-Talk) Button: Located on the side (often red). Press and hold to transmit, release to receive.
- Volume Up/Down Buttons: Adjust the speaker volume.
- Function Button (often marked with a 'F' or similar): May cycle through modes or activate specific features. Refer to the radio's manual for integrated functions.
4.2 Transmitting and Receiving
- Ensure the BT-89 is powered on and successfully paired with your radio transceiver.
- To transmit, press and hold the PTT button. Speak clearly into the microphone.
- Release the PTT button to stop transmitting and return to receive mode.
- Adjust the volume using the volume up/down buttons for comfortable listening.

Image 4.2: The BT-89 microphone speaker depicted with graphical sound waves, illustrating its capability for clear audio transmission and reception.
5. Maintenance
5.1 Cleaning
To maintain the device's performance and appearance:
- Wipe the exterior with a soft, dry cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture into any openings.
5.2 Battery Care and Storage
Proper battery care extends the life of your device:
- Charge the device regularly, even if not in frequent use, to prevent deep discharge.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, charge the battery to approximately 50% before storage.
6. Troubleshooting
If you experience issues with your BT-89 microphone speaker, consult the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery | Charge the device fully. |
| Cannot pair with radio | Bluetooth not enabled/pairing mode not active on radio or BT-89 | Ensure both devices are in pairing mode. Check radio's manual. |
| No audio from speaker | Volume too low; device not paired; radio not transmitting | Increase volume. Re-pair device. Ensure radio is transmitting. |
| Poor audio quality | Out of range; interference; low battery | Move closer to radio. Avoid sources of interference. Charge device. |
| Device disconnects frequently | Out of range; interference; low battery | Move closer to radio. Avoid sources of interference. Charge device. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model | BT-89 |
| Frequency | 2.4GHz |
| Bluetooth Wireless Range | Up to 6.2 miles (approximately 10 km) |
| Battery Capacity | 1400mAh |
| Working Time | Up to 50 hours |
| Input Voltage | 5V |
| Operating Temperature | -10°C to 45°C (14°F to 113°F) |
| Weight | 220g (7.76 ounces) |
| Product Dimensions | 1.97"L x 0.98"W x 3.35"H (5 x 2.5 x 8.5 cm) |
| Connectivity Technology | Bluetooth, USB |
| Power Source | Battery Powered |
8. Warranty and Support
8.1 Product Warranty
The SHIQUN BT-89 Bluetooth Wireless Handheld Microphone Speaker comes with a 3-month warranty provided exclusively through "Shiqun Electronics Co., Ltd." This warranty covers manufacturing defects and malfunctions under normal use.
Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Shiqun Electronics Co., Ltd. customer support. Contact details can typically be found on the product packaging or the official Shiqun website.
When contacting support, please have your product model (BT-89) and purchase information ready.