Introduction
The Eono Eonobuds2 are low-latency Bluetooth 5.2 wireless in-ear headphones designed for clear sound and reliable performance. Featuring IPX7 waterproofing and convenient USB-C charging, these earbuds are suitable for various activities, including office work, home use, and sports.
Package Contents
Please check the package for the following items:
- 2 x Wireless Earbuds
- 1 x Charging Case
- 1 x USB-C Charging Cable
- 3 x Pairs of Eartips (Sizes S, M, L)
- 1 x User Manual

Front view of the Eono Eonobuds2 product box.
Product Overview
The Eonobuds2 feature an ergonomic, small-sized design with soft eartips for comfortable wear. The charging case is compact and designed for portability.

Front view of the Eono Eonobuds2 wireless earbuds and their charging case.

The sleek charging case for the Eono Eonobuds2, showing its compact design and LED indicators.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Connect the provided USB-C charging cable to the charging case and a power source.
- The LED indicators on the case will show the charging status.
- Place the earbuds into the charging case to charge them. The earbuds will indicate their charging status.
A full charge provides up to 6 hours of listening time. The charging case extends total battery life to over 24 hours. A quick 15-minute charge can provide up to 1.5 hours of use.

Illustration of charging times and battery life for the Eonobuds2 earbuds and charging case.
2. Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Eonobuds2" from the list.
- Once connected, you will hear an audible confirmation, and the earbuds' indicator lights will change.
The Eonobuds2 utilize Bluetooth 5.2 for a stable and efficient wireless connection. They are compatible with a wide range of Bluetooth-enabled devices, including iPhones, iPads, Samsung Galaxy phones, Huawei devices, Motorola, Xiaomi, Redmi, Sony, and more.
Operating Instructions
Wearing the Earbuds
Choose the eartip size (S, M, L) that provides the most comfortable and secure fit for optimal sound quality and noise isolation. Gently insert the earbuds into your ear canal and twist slightly to secure them.
Touch Controls
The Eonobuds2 feature intuitive touch controls on each earbud for easy management of audio playback and calls.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Up: Triple tap on the right earbud.
- Volume Down: Triple tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud.
- Activate Voice Assistant (Siri/Google Assistant): Press and hold for 2 seconds on either earbud.
- Game Mode On/Off: (Specific gesture, refer to quick start guide if available)

Visual guide to the touch control functions on the Eonobuds2 earbuds.
Audio Quality and Low Latency
The Eonobuds2 are equipped with advanced graphene drivers that create a wide sound spectrum for clear and precise audio. Integrated high-quality microphones and lossless HD rendering technology ensure superior audio quality for both music and calls. Intelligent noise reduction further enhances call clarity.
For an optimal experience, especially with video or gaming, these earbuds offer low latency with a minimal audio delay of 50 ms, which is generally undetectable by the human ear.

An exploded view illustrating the advanced graphene drivers within the Eonobuds2 earbuds.
Maintenance
Water Resistance (IPX7)
The Eonobuds2 have an IPX7 waterproof rating, meaning they can withstand splashes, rain, and sweat. They are suitable for workouts and outdoor activities. However, they are not designed for swimming or prolonged submersion.

The Eonobuds2 earbuds submerged in water, showcasing their IPX7 waterproof capability.
Cleaning and Storage
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove eartips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
- Avoid using abrasive cleaners or solvents.
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
Troubleshooting
If you encounter any issues with your Eono Eonobuds2, please refer to the following common solutions:
- No Sound/Poor Sound Quality: Ensure earbuds are properly paired and charged. Check volume levels on both the earbuds and your connected device. Try resetting the earbuds by placing them back in the case and closing it, then reopening.
- Pairing Issues: Make sure Bluetooth is enabled on your device and the earbuds are in pairing mode. Disconnect from other Bluetooth devices if necessary. Try forgetting the device on your phone and re-pairing.
- Earbuds Not Charging: Ensure the charging cable is securely connected to both the case and the power source. Check for any debris in the charging ports. Make sure the earbuds are correctly seated in the charging case.
- One Earbud Not Working: Try placing both earbuds back into the charging case, closing the lid, and then taking them out again to re-sync.
If problems persist, please contact customer support.
Specifications
| Model Name | Eonobuds2 |
| Bluetooth Version | 5.2 |
| Earbud Battery Capacity | 45 mAh |
| Charging Case Battery Capacity | 500 mAh |
| Charging Port | USB-C |
| Water Resistance Rating | IPX7 |
| Earbud Dimensions | 19.3 x 23.4 x 24.7 mm |
| Charging Case Dimensions | 56.3 x 38.2 x 32.3 mm |
| Weight | 41.9 Grams |
| Color | Black |
| Connectivity Technology | Wireless (Bluetooth) |
| Audio Driver Type | Dynamic |
| Noise Control | Sound Isolation |
Warranty and Support
Eono provides a 12-month worry-free warranty for the Eonobuds2. For any questions or assistance, please contact our dedicated customer support team.
- Customer Support: 24 hours dedicated email support.
- Product Page: For more information and support, visit the product page: Eono Eonobuds2 on Amazon
- General Amazon Customer Service: Contact Amazon Customer Service
We are committed to 100% customer satisfaction.