1. Introduction
The PECSU G5 MP3 Player is a versatile and smart audio device designed for a rich multimedia experience. Featuring a 5-inch HD IPS touchscreen, Android-based operating system, and extensive connectivity options, it allows for music playback, video viewing, app downloads, and more. This manual provides essential information for setting up, operating, and maintaining your device.

Figure 1.1: Front and side view of the PECSU G5 MP3 Player.
2. What's in the Box
Verify that all items are present in the package:
- 1 × G5 Music Player
- 1 × Manual
- 1 × Type-C Charging Cable
- 1 × Extra Screen Protector
3. Key Features
- APP Store & Parental Controls: Pre-installed APP Store for downloading streaming apps (Spotify, Pandora, Amazon Music, YouTube). Parental controls allow app removal and approval for downloads.
- 5" HD IPS & Metal Frame Glass Back: 5-inch HD IPS screen (720×1280 pixels) with full touchscreen and 1080P HD video playback. Features a durable metal frame and tempered glass back cover.
- Octa-core & 32GB ROM+3GB RAM: Equipped with an Octa-core 64-bit MTK chipset, 32GB internal ROM, and 3GB RAM. Supports up to 1TB micro SD card (FAT32 format).
- Dual-band WiFi & 2-Way Bluetooth 5.0: Supports both 2.4G & 5G Wi-Fi for stable, high-speed data transfer. Bluetooth 5.0 offers two-way transmission for seamless connection to speakers, earphones, car audio, and home theater systems.
- 3000mAh LCO Battery: Built-in pure LCO battery provides approximately 15 hours of music playback or 6 hours of video playback. Full charge takes 2-3 hours.
- One-Key Recording & Others: Features a unique one-key recording function (long press red button for 2 seconds). Supports wireless screen casting and split-screen mode for multitasking.

Figure 3.1: Overview of advanced features including lossless audio and parental controls.
4. Setup Guide
4.1 Initial Charging
Before first use, fully charge the device using the provided Type-C charging cable. Connect the cable to the device's Type-C port and the other end to a compatible USB power adapter (not included) or a computer's USB port. The battery indicator on the screen will show charging progress.

Figure 4.1: Charging the device via the Type-C port.
4.2 Power On/Off
To power on, press and hold the power button located on the side of the device until the screen lights up. To power off, press and hold the power button, then select 'Power off' from the options that appear on the screen.
4.3 Wi-Fi Connection
Navigate to Settings > Network & Internet > Wi-Fi. Turn on Wi-Fi, select your desired network from the list, and enter the password if prompted. The device supports both 2.4G and 5G Wi-Fi bands.
4.4 Google Account Setup
For full access to the APP Store (Google Play Store) and other Google services, sign in with your Google account during the initial setup or later via Settings > Accounts.
5. Operating Instructions
5.1 Navigating the Interface
The PECSU G5 features a full touchscreen display. Swipe left or right to navigate between home screens. Tap on app icons to open them. Use the navigation buttons at the bottom of the screen for Home, Back, and Recent Apps.
5.2 App Store and Downloads
The Google Play Store is pre-installed. Tap the 'Google Play Store' icon to browse and download various applications, including music streaming services (Spotify, Amazon Music, Pandora), video platforms (YouTube), and more. Ensure you are connected to Wi-Fi for downloads.

Figure 5.1: Accessing the App Store for various applications.
5.3 Media Playback
Use the pre-installed 'Music' or 'Videos' apps to play local media files. The device supports a wide range of audio formats (MP3, OGG, APE, FLAC, WAV, AAC, M4A, WMA, etc.) and video formats (MP4, AVI, MKV, MPG, RM, VOB, MOV, FLV, ASF, etc. up to 1080P).
5.4 Bluetooth Connectivity
To connect to Bluetooth headphones, speakers, or car audio systems: Go to Settings > Connected devices > Bluetooth. Turn on Bluetooth, select 'Pair new device', and choose your device from the list. The device supports Bluetooth 5.0 for stable connections.

Figure 5.2: Connecting to external audio devices via Bluetooth.
5.5 One-Key Recording
The PECSU G5 features a dedicated one-key recording button. Long press the red button on the side of the device for 2 seconds to instantly start recording audio. This is useful for lectures, meetings, or capturing quick notes.

Figure 5.3: Utilizing the one-key recording feature.
5.6 Parental Controls
Utilize the built-in parental controls to manage app access and download permissions for children. This feature ensures a safe and controlled environment for younger users.

Figure 5.4: Parental controls interface for managing device usage.
6. Maintenance
6.1 Cleaning
Wipe the device regularly with a soft, dry, lint-free cloth. For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials, as they may damage the screen or finish.
6.2 Battery Care
To prolong battery life, avoid exposing the device to extreme temperatures. Do not allow the battery to fully discharge frequently. Charge the device regularly, even if not in use for extended periods.
6.3 Software Updates
Periodically check for software updates via Settings > System > System update. Keeping your device's software up-to-date ensures optimal performance and security.
7. Troubleshooting
7.1 Device Not Powering On
Ensure the device is fully charged. Connect it to a power source and wait a few minutes before attempting to power it on again. If the issue persists, try performing a hard reset by inserting a paperclip into the small reset hole (if available, refer to device diagram) or by holding the power button for an extended period (e.g., 10-15 seconds).
7.2 Wi-Fi/Bluetooth Connectivity Issues
If you experience issues connecting to Wi-Fi or Bluetooth, try toggling the respective settings off and on. Restarting the device and the router/Bluetooth accessory can also resolve common connectivity problems. Ensure the device is within range of the network or accessory.
7.3 Forgotten Password/Pattern
If you forget your screen lock password or pattern, you may need to perform a factory reset. Warning: A factory reset will erase all data on the device. Consult the official user manual (PDF) for specific instructions on performing a factory reset for your model.
7.4 Apps Not Downloading/Working
Check your Wi-Fi connection. Ensure you have sufficient storage space on the device or an inserted SD card. Clear the cache and data of the Google Play Store app (Settings > Apps > Google Play Store > Storage > Clear cache/Clear data). Restart the device.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 0.47 x 2.89 x 5.24 inches |
| Item Weight | 6.3 ounces |
| Manufacturer | PECSU |
| ASIN | B0C61H7NCQ |
| Item Model Number | G5 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Brand | PECSU |
| Model Name | G5 |
| Connectivity Technology | Wi-Fi |
| Memory Storage Capacity | 32 GB (expandable up to 1TB) |
| Color | Black |
| Screen Size | 5 Inches |
| Compatible Devices | Earphone, Speaker, Car audio, Home theater, and other Bluetooth devices. |
| Media Type | Micro SDXC, Micro SDHC, Micro SD |

Figure 8.1: Device dimensions and port locations.
9. Warranty and Support
For detailed warranty information and customer support, please refer to the official documentation provided with your product. You can also find additional resources and contact information on the PECSU official website.
Official User Manual (PDF): Download Here
Instructions for Use (IFU) (PDF): Download Here




