Inwa MZ-508 Portable Bluetooth Speaker

1. Introduction

Thank you for choosing the Inwa MZ-508 Portable Bluetooth Speaker. This device is designed for outdoor enthusiasts, offering robust features such as Bluetooth 5.0 connectivity, IP67 dustproof and waterproof rating, hands-free calling, TF card playback, and a clear display for time and battery status. Its versatile design allows for easy attachment to bicycles or backpacks, making it an ideal companion for cycling, hiking, and other outdoor activities.

Figure 1: Inwa MZ-508 Portable Bluetooth Speaker with included bicycle mount.

2. Package Contents

Please check the package for the following items:

• Inwa MZ-508 Portable Bluetooth Speaker
• Bicycle Handlebar Mount
• USB Type-C Charging Cable
• Carabiner (for backpack attachment)
• User Manual (this document and a printed version)

Figure 2: Product packaging confirming model MZ-508 and 2200mAh battery.

3. Parts Overview

Familiarize yourself with the speaker's buttons, ports, and display features:

Figure 3: Overview of speaker components and controls.

3.1. Controls (Side Panel)

1. Power Button (): Long press to Power ON/OFF.
2. Volume Up / Next Track (): Short press for Volume Up; Long press for Next Track.
3. Play/Pause / Answer Call (): Short press to Play/Pause music; Short press to Answer/End a call.
4. Volume Down / Previous Track (): Short press for Volume Down; Long press for Previous Track.

3.2. Ports (Bottom Panel)

Figure 4: Type-C charging port and TF card slot.

• USB Type-C Port: For charging the speaker.
• TF Card Slot (Micro SD): Insert a TF card for direct music playback.

3.3. Display Screen (Front)

• Time Display: Shows current time.
• Battery Level Indicator: Displays remaining battery charge.
• Bluetooth Icon: Indicates Bluetooth connection status.
• TF Card Icon: Indicates TF card playback mode.

4. Setup

4.1. Initial Charging

Before first use, fully charge the speaker. Connect the provided USB Type-C cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer USB port. The display will indicate charging status. A full charge takes approximately 3-4 hours.

4.2. Mounting the Speaker

The MZ-508 offers two primary mounting options:

• Bicycle Handlebar: Attach the provided mount to your bicycle handlebar. Secure the speaker onto the mount by aligning and twisting until it locks into place.


Figure 5: Speaker mounted on a bicycle.

• Backpack/Belt Loop: Use the included carabiner to hook the speaker onto a backpack strap, belt loop, or other suitable attachment points.


Figure 6: Speaker attached to a backpack.

4.3. Powering On/Off

Long press the Power button () for approximately 3 seconds to turn the speaker ON or OFF. You will hear an audible prompt.

4.4. Bluetooth Pairing

1. Turn on the speaker. It will automatically enter Bluetooth pairing mode, and the Bluetooth icon on the display will flash.
2. On your smartphone or other Bluetooth device, enable Bluetooth and search for available devices.
3. Select