KTS-1057 Wireless Portable Speaker User Manual

1. Introduction

Thank you for purchasing the CHENGHONG KTS-1057 Wireless Portable Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully to ensure optimal performance and longevity of your device.

2. Package Contents

Please check the box for the following items:

• 1 x KTS-1057 Wireless Portable Speaker
• 1 x USB Charging Cable
• 1 x User Manual (this document)

3. Product Overview

Familiarize yourself with the speaker's components and controls.

Figure 1: Front View and Control Panel

Figure 2: Top View with Ports and Power Switch

Control Panel Functions:

• Previous Track / Volume Down: Short press for previous track, long press to decrease volume.
• Play / Pause: Press to play or pause audio.
• Next Track / Volume Up: Short press for next track, long press to increase volume.
• Mode (M): Press to switch between Bluetooth, USB, TF Card, and FM Radio modes.

Port Functions:

• DC 5V: Charging port for the speaker.
• USB: USB port for playing audio from a USB flash drive.
• TF: TF (MicroSD) card slot for playing audio from a memory card.
• ON/OFF: Power switch for turning the speaker on or off.

4. Setup Guide

4.1 Charging the Speaker

1. Connect the supplied USB charging cable to the DC 5V port on the speaker.
2. Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
3. The charging indicator (if present) will illuminate, typically red, during charging and turn off or change color when fully charged.
4. A full charge takes approximately 2-3 hours. The speaker has a 600mAh rechargeable Li-battery.

4.2 Power On/Off

• To power on the speaker, slide the ON/OFF switch to the 'ON' position. You will hear an audible prompt.
• To power off the speaker, slide the ON/OFF switch to the 'OFF' position.

4.3 Bluetooth Pairing

1. Ensure the speaker is powered on and in Bluetooth mode (press the 'M' button if not). The speaker will indicate it's ready for pairing, often with a flashing LED light and an audible prompt.
2. On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select 'KTS-1057' from the list of devices.
4. Once paired, the speaker will confirm with an audible sound, and the LED indicator will typically stop flashing.

5. Operating Instructions

5.1 Bluetooth Mode

• After successful pairing, you can play music from your connected device.
• Use the Play/Pause button on the speaker or your device to control playback.
• Use the Previous/Next track buttons on the speaker or your device to skip tracks.
• Adjust volume using the long press of the Previous/Next track buttons or your device's volume controls.

5.2 USB/TF Card Mode

1. Insert a USB flash drive or a TF (MicroSD) card into the respective port on the speaker.
2. The speaker will automatically switch to USB or TF card mode and begin playing audio files. If not, press the 'M' button to cycle through modes until you reach the correct one.
3. Use the Play/Pause, Previous, and Next track buttons to control playback and volume.

5.3 FM Radio Mode

1. Press the 'M' button to switch to FM Radio mode.
2. To automatically scan and save available FM stations, press and hold the Play/Pause button. The speaker will scan and store stations.
3. Once scanning is complete, use the Previous/Next track buttons to navigate between saved stations.
4. Adjust volume using the long press of the Previous/Next track buttons.

5.4 TWS (True Wireless Stereo) Function

The TWS function allows you to connect two KTS-1057 speakers together for a stereo sound experience.

1. Ensure both KTS-1057 speakers are powered on and in Bluetooth mode, but NOT connected to any device.
2. On one of the speakers (this will be your primary speaker), press and hold the 'M' button for a few seconds until you hear a pairing tone.
3. The two speakers will automatically connect to each other. You will hear a confirmation tone once connected.
4. Now, connect your mobile device to the primary speaker via Bluetooth as described in section 4.3.
5. Audio will now play in stereo through both speakers.

6. Maintenance

• Keep the speaker away from water, moisture, and extreme temperatures. This product is not waterproof.
• Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Avoid dropping or subjecting the speaker to strong impacts.
• When not in use for extended periods, store the speaker in a cool, dry place and charge it periodically to maintain battery health.

7. Troubleshooting

8. Specifications

9. User Tips

• For best sound quality, ensure the speaker is placed on a stable surface and not obstructed.
• When using FM radio, try moving the speaker to different positions to improve signal reception.
• To extend battery life, avoid fully discharging the speaker frequently. Charge it when the battery is low.
• The TWS function provides a more immersive audio experience; experiment with speaker placement for optimal stereo separation.

10. Warranty and Support

This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or inquiries, please reach out to the seller or manufacturer directly.