ZAMKOL ZK706PRO
ZAMKOL Bluetooth Speaker User Manual
Model: ZK706PRO
Brand: ZAMKOL
Introduction
This manual provides detailed instructions for the ZAMKOL Bluetooth Speaker (Model ZK706PRO). This portable wireless speaker is designed to deliver loud stereo sound with deep bass, featuring a 5200mAh battery for extended playtime and IPX6 waterproof rating, making it suitable for various indoor and outdoor activities.
What's in the Box
- ZAMKOL Bluetooth Speaker (Model ZK706PRO)
- Charging cables
- 3.5mm Aux Audio Cable
- Carabiner Clip
- User Manual (this document)

Image: Contents of the ZAMKOL Bluetooth Speaker package.
Product Features
- Hi-Fi Stereo Sound and Wireless Stereo Pairing: Equipped with an advanced digital signal processor for enhanced bass and crisp treble. Supports pairing two ZAMKOL speakers for 60W (30W*2) wireless stereo sound.
- Large Battery Capacity: Features a 5200mAh rechargeable battery providing up to 24 hours of playtime.
- IPX6 Waterproof: Designed to resist water splash, spray, and rain. Not intended for submersion.
- Upgraded Bluetooth 5.0 Signal: Ensures stable connection up to 33ft (10m) away, compatible with smartphones, TVs, and laptops.
- Stylish and Sturdy Design: Classic cylindrical body with nylon coverings, compact and portable for travel and hiking.

Image: Front view of the ZAMKOL Bluetooth Speaker.
Setup
1. Powering On/Off
Press and hold the power button (marked with a circle and vertical line) located on the top panel of the speaker to turn it on or off. An indicator light will illuminate when the speaker is powered on.

Image: Top control panel of the ZAMKOL Bluetooth Speaker.
2. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing blue light, if applicable).
- On your device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
- Search for available devices and select "ZK306" or "ZAMKOL Speaker" from the list.
- Once connected, the speaker will typically provide an audible confirmation, and the indicator light will become solid.

Image: ZAMKOL speaker wirelessly connected to multiple devices.
3. True Wireless Stereo (TWS) Pairing
To achieve 60W stereo sound, you can pair two ZAMKOL ZK706PRO speakers together:
- Ensure both ZAMKOL speakers are powered on and not connected to any other Bluetooth device.
- On one speaker, press and hold the TWS pairing button (often indicated by two interlocking circles or a similar icon, or a combination of volume buttons as per some reviews). The speaker will enter TWS pairing mode.
- The two speakers will automatically connect to each other. Once connected, one speaker will act as the master (left channel) and the other as the slave (right channel).
- Connect your device to the master speaker via Bluetooth as described in the Bluetooth Pairing section.

Image: Two ZAMKOL speakers set up for True Wireless Stereo (TWS) connection.
4. Auxiliary (AUX) Connection
The speaker includes a 3.5mm Aux Audio Cable for connecting to non-Bluetooth devices such as computers, projectors, or TVs.
- Connect one end of the 3.5mm Aux Audio Cable to the AUX-in port on the ZAMKOL speaker.
- Connect the other end of the cable to the audio output port of your device.
- Press the power button again after the unit has been powered on to change the input to AUX mode.
Operating Instructions
1. Basic Controls
- Power Button (⏻): Press and hold to power on/off. Short press to switch input modes (Bluetooth/AUX).
- Volume Up (+): Short press to increase volume. Long press for next track.
- Volume Down (-): Short press to decrease volume. Long press for previous track.
- Play/Pause (▶): Short press to play or pause audio.

Image: Detailed view of the ZAMKOL speaker's control panel.
2. Call Handling (if applicable)
- Answer Call: Short press the Play/Pause button.
- End Call: Short press the Play/Pause button during a call.
- Reject Call: Press and hold the Play/Pause button.
Maintenance
1. Charging the Speaker
Connect the provided charging cable to the speaker's charging port (Type-C, as per A+ content image) and to a USB power source. The charging indicator light will show charging status. A full charge can take less than 3 hours and provides up to 24 hours of playtime.

Image: Charging cables for the ZAMKOL Bluetooth Speaker.
2. Waterproof Care (IPX6)
The ZAMKOL speaker has an IPX6 waterproof rating, meaning it can withstand water splashes, sprays, and rain. It is suitable for use in showers or outdoors. However, do not submerge the speaker directly in water. Ensure the charging port cover is securely closed before exposure to water.

Image: ZAMKOL speaker being splashed with water, highlighting its IPX6 waterproof feature.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery; Power button not pressed long enough. | Charge the speaker fully. Press and hold the power button for 3-5 seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Too far from speaker; Already connected to another device. | Ensure speaker is in pairing mode (flashing light). Turn on Bluetooth on your device. Move device closer to speaker. Disconnect from other devices. |
| No sound or low volume. | Volume too low on speaker or device; Incorrect input mode; Speaker not connected. | Increase volume on both speaker and device. Press power button to cycle through input modes (Bluetooth/AUX). Re-establish Bluetooth connection. |
| TWS pairing fails. | Speakers too far apart; One speaker already connected to a device. | Ensure both speakers are close to each other. Disconnect both speakers from any other Bluetooth devices before attempting TWS pairing. |
| Charging light stays on after full charge. | Minor software glitch or indicator behavior. | This may be normal behavior for some units. If the speaker functions correctly and holds a charge, it is likely not an issue. If it affects performance, contact support. |
Specifications
- Model Name: ZK706PRO
- Speaker Type: Subwoofer
- Connectivity Protocol: Bluetooth 5.0
- Connectivity Technology: Auxiliary, Bluetooth
- Audio Output Mode: Stereo
- Speaker Maximum Output Power: 60 Watts (when paired)
- Battery: 5200mAh (1 Lithium Ion battery required, included)
- Playtime: Up to 24 hours
- Waterproof Rating: IPX6
- Product Dimensions: 5.91"D x 6.67"W x 5.91"H
- Item Weight: 2.16 pounds
- Color: Dark blue
- Manufacturer: Zamkol
- First Available: March 11, 2022
Official Product Video
Video: An official product video demonstrating the ZAMKOL Bluetooth Speaker's features and usage scenarios, including Bluetooth pairing, TWS connection, and waterproof capabilities.
Warranty and Support
ZAMKOL products are designed for reliability and performance. For warranty information, technical support, or any inquiries regarding your ZK706PRO Bluetooth Speaker, please refer to the contact details provided on the product packaging or visit the official ZAMKOL website. Keep your purchase receipt for warranty claims.
For more information, visit the ZAMKOL Store on Amazon.