1. Introduction
Thank you for choosing the Oilsky G88 Hi-Res Audio Player. This device is designed to deliver an exceptional audio experience with its advanced features, including dual ESS DACs, balanced output, and support for high-resolution audio formats. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new audio player. Please read it thoroughly to ensure optimal performance and longevity of your device.

The Oilsky G88 Hi-Res Audio Player, presented with its sleek black design. The front displays a music playback interface with album art, track information, and control buttons. The back panel shows the model number and regulatory marks. A volume knob is visible on the side.
2. What's in the Box
Verify that all items are present in the package:
- 1 x Oilsky G88 MP3 Player
- 1 x 128GB Micro SD Card (pre-installed or separate)
- 1 x Protective Case
- 1 x Protective Film
- 1 x USB-C Cable
3. Key Features
3.1 Dual-Mono Hi-Fi Architecture
The G88 features a sophisticated dual-mono architecture with independent left and right channel processing. This design incorporates dual ESS9018Q2M DACs, OPA1612 op-amps, and RT6863D amps to deliver extreme stereo purity, exceptional detail, and an immersive soundstage, providing a true audiophile-grade experience.

This diagram details the internal audio architecture, highlighting the independent processing for left and right audio channels. It shows dual ESS9018Q2M DACs, OPA1612 op-amps, and RT6863D amps, ensuring high-fidelity stereo separation and sound clarity.
3.2 Balanced High-Power Output
Experience a true balanced connection with the 4.4mm jack, which effectively eliminates crosstalk for a vast and clear sound background. The player delivers a powerful 500mW@32Ω, capable of driving demanding headphones with precise control and dynamic range. A standard 3.5mm jack is also included for broader compatibility.

A detailed view of the top of the player, featuring the 4.4mm balanced output jack and the standard 3.5mm single-ended jack. This illustrates the player's capability to deliver high-power audio with minimal crosstalk for a superior listening experience.
3.3 Native DSD512 & Hi-Res Audio Decoding
The Oilsky G88 player natively decodes DSD512, allowing you to experience studio master quality in its purest form. It faithfully reproduces every nuance of the original recording, from subtle vocal breaths to crisp cymbal decays, ensuring music is heard as the artist intended.

The player's screen shows a music track playing, accompanied by the 'Hi-Res Audio' and 'DSD Audio' certifications. This signifies the device's ability to natively decode DSD512, providing studio-master quality sound.
3.4 Hi-Res Wireless Sound & Fast Charging
Enjoy the superb quality of LDAC Bluetooth, transmitting rich, detailed audio wirelessly. The integrated 2000mAh battery supports hours of listening, and a quick 3-hour charge ensures the device is ready for use. This combination makes it ideal for daily use.

This composite image demonstrates the player's wireless capabilities with LDAC Bluetooth for high-quality audio transmission to headphones and earbuds. It also highlights the 2000mAh battery and 3-hour fast charging feature, showing the player connected to a USB-C charging cable.
3.5 Android 12 OS & Vast Music Library
This Android 12 Hi-Fi MP3 player features 4GB RAM, 32GB internal storage, and includes a 128GB Micro SD card, expandable up to 512GB. Access the Play Store to install various apps, stream via Wi-Fi, or enjoy a massive local music library offline on its 4.02-inch high-definition screen. It functions as an all-in-one music hub.

The image illustrates the player's user interface with multiple music applications and album art, emphasizing its Android 12 operating system, 4.02-inch HD screen, and 2.4/5G Wi-Fi support for smooth streaming. It also mentions the 8-core processor, 4GB RAM, 32GB internal storage, and support for up to 512GB expandable storage via TF card, indicating a vast music library capacity.
3.6 Product Overview Video
This video provides a visual overview of the Oilsky G88 Hi-Res Audio Player, showcasing its design, key features, and user interface in action.
4. Setup Guide
4.1 Charging the Device
Before first use, fully charge the player. Connect the included USB-C cable to the player's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status.
4.2 Inserting the Micro SD Card
The player comes with a 128GB Micro SD card. Locate the Micro SD card slot on the side of the device. Gently insert the Micro SD card into the slot until it clicks into place. To remove, push the card in slightly until it springs out.
4.3 Connecting Headphones
For wired listening, connect your headphones to either the 4.4mm balanced jack or the 3.5mm single-ended jack on the top of the player. Ensure the connector is fully inserted.
4.4 Initial Power On & Wi-Fi Setup
Press and hold the power button until the screen turns on. Follow the on-screen prompts to complete the initial setup, including language selection and connecting to a Wi-Fi network. A stable Wi-Fi connection is necessary for streaming services and software updates.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the power button for a few seconds until the screen illuminates.
- Power Off: Press and hold the power button until a power-off menu appears, then select 'Power Off'.
- Screen On/Off: Briefly press the power button to turn the screen on or off without powering down the device.
5.2 Navigation
The Oilsky G88 features a 4.02-inch touchscreen for navigation. Swipe, tap, and pinch to interact with the interface. Physical buttons on the side control volume, playback (play/pause, skip tracks), and reset functions.
5.3 Music Playback
Access your music library through the pre-installed music player app. You can browse by artist, album, genre, or folder. Tap a song to begin playback. Use the on-screen controls or physical buttons to manage playback, adjust volume, and navigate tracks.
5.4 Bluetooth Connection
To connect Bluetooth headphones or speakers:
- Go to Settings > Connected devices > Bluetooth.
- Turn on Bluetooth.
- Put your Bluetooth device into pairing mode.
- Select your device from the list of available devices to pair.
The G88 supports bidirectional Bluetooth 5.2, allowing it to function as both a transmitter and receiver.
5.5 Wi-Fi and Streaming Apps
Connect to Wi-Fi via Settings > Network & internet > Wi-Fi. Once connected, you can download and install streaming applications like Spotify from the Google Play Store. Ensure a stable internet connection for optimal streaming performance.
5.6 File Management
Use the pre-installed file manager app to organize your music files on both internal storage and the Micro SD card. You can transfer files to and from the device by connecting it to a computer via the USB-C cable.
6. Maintenance
6.1 Cleaning
Wipe the device with a soft, dry, lint-free cloth. Do not use liquid cleaners 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. Charge the device regularly and avoid completely draining the battery frequently. If storing the device for an extended period, charge it to about 50%.
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, security, and access to new features.
7. Troubleshooting
7.1 Device Not Turning On
- Ensure the battery is charged. Connect the player to a charger for at least 30 minutes.
- Press and hold the power button for 10-15 seconds to perform a forced restart.
7.2 No Sound Output
- Check the volume level.
- Ensure headphones are properly connected to the correct jack (3.5mm or 4.4mm).
- If using Bluetooth, ensure the device is paired and connected, and the volume on both the player and the Bluetooth device is adequate.
- Test with different headphones or audio files.
7.3 Bluetooth Connection Issues
- Ensure Bluetooth is enabled on both the player and the target device.
- Move the devices closer to each other.
- Forget the device in Bluetooth settings and attempt to re-pair.
- Restart both the player and the Bluetooth device.
7.4 Wi-Fi Connection Problems
- Verify that Wi-Fi is enabled and you are within range of a known network.
- Check the Wi-Fi password if prompted.
- Restart your Wi-Fi router and the player.
7.5 Storage Not Recognized
- Ensure the Micro SD card is correctly inserted.
- Try re-inserting the Micro SD card.
- If possible, test the Micro SD card in another device to check for card integrity.
8. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 0.59 x 2.44 x 4.02 inches |
| Item Weight | 13.3 ounces |
| Manufacturer | Oilsky |
| Model Name | G88 |
| Batteries | 1 Lithium Polymer battery required (included) |
| Special Feature | Equalizer, FM Radio, Touch Screen |
| Connectivity Technology | Bluetooth, USB, Wi-Fi |
| Memory Storage Capacity | 160 GB (32GB internal + 128GB Micro SD) |
| Color | Black |
| Screen Size | 4.02 Inches |
| Compatible Devices | Headphone, Speaker |
| Media Type (Video) | AVI, MKV, MP4, MPG, MOV |
| Operating System | Android 12 |
| RAM | 4GB |
| Expandable Storage | Up to 512GB via TF card |
9. Warranty and Support
The Oilsky G88 Hi-Res Audio Player comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official Oilsky website. For technical support, troubleshooting assistance, or service inquiries, please contact Oilsky customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.






