Introduction
Thank you for choosing ZIHNIC Open-Ear Headphones. These headphones are designed to provide all-day comfort and a superior audio experience while keeping you aware of your surroundings. With advanced features like smart touch control, IPX5 waterproofing, and long battery life, your ZIHNIC S05 headphones are perfect for daily use, workouts, and more. Please read this manual carefully to ensure proper use and maintenance of your device.

Image: ZIHNIC Open-Ear Headphones in use, highlighting ear comfort and ultimate sound experience.
Product Overview and Key Features
The ZIHNIC S05 Open-Ear Headphones offer a blend of innovative design and high-quality performance. Key features include:
- Open-Ear Design: Allows you to enjoy audio while remaining aware of your surroundings, enhancing safety and comfort.
- Smart Touch Control: Intuitive touch sensors for easy management of music, calls, and voice assistant.
- IPX5 Waterproof: Resistant to sweat and light rain, making them suitable for various activities.
- Extended Battery Life: Up to 28 hours of total playtime with the charging case.
- Superior Stereo Sound: Delivers rich sound with deep bass and clear audio.
- Advanced Microphone: Equipped with bone conduction microphone for crystal clear call quality and ambient noise reduction.
- Bluetooth 5.4 Connectivity: Ensures stable and efficient wireless connection with various Bluetooth devices.

Image: Visual representation of key features such as HIFI Stereo Sound, Bluetooth 5.4, Voice Assistant, Ultra Light design, Long Battery Life, IPX5 Waterproof, and Smart Touch Control.
What's in the Box
Upon opening your ZIHNIC Open-Ear Headphones package, you should find the following items:
- 2 x Open-ear True Wireless Earbuds (Left and Right)
- 1 x Charging Case
- 1 x User Manual (This document)
- 1 x Type-C Charging Cable

Image: All components included in the ZIHNIC Open-Ear Headphones package.
Setup
1. Charging Your Headphones
Before first use, ensure your headphones and charging case are fully charged. Use the provided Type-C charging cable to connect the charging case to a power source.
- A full charge takes approximately 1.5 hours.
- A quick 10-minute charge provides up to 1 hour of listening time.
- The charging case allows for quick and convenient charging on the go.
2. Bluetooth Pairing
- Open the charging case. The headphones will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "ZIHNIC S05" in the list of available Bluetooth devices and select it to connect.
- Once paired, the headphones will automatically connect to your device the next time they are taken out of the case and Bluetooth is enabled on your device.
Operating Your Headphones
Wearing the Headphones
The ZIHNIC S05 headphones feature flexible earhooks designed for a secure and comfortable fit. Follow these steps to wear them correctly:
- Identify the Left (L) and Right (R) earbuds.
- Gently hook the earbud over your ear, ensuring the speaker portion is positioned comfortably near your ear canal without entering it.
- Adjust the earhook for a snug and stable fit behind your ear.

Image: Step-by-step guide on how to correctly wear the ZIHNIC Open-Ear Headphones.
Smart Touch Controls
The ZIHNIC S05 headphones are equipped with intuitive touch controls on each earbud. Refer to the diagram below for specific functions:

Image: Detailed guide to the touch control functions on the ZIHNIC S05 headphones.
- Answer/Hang up Call: Tap 1x on L/R earbud.
- Reject Call: Press and hold for 2s on L/R earbud.
- Play/Pause Music: Tap 1x on L/R earbud.
- Next Song: Tap 3x on Right (R) earbud.
- Previous Song: Tap 3x on Left (L) earbud.
- Increase Volume: Tap 2x on Right (R) earbud.
- Decrease Volume: Tap 2x on Left (L) earbud.
- Activate Voice Assistant: Press and hold for 2s on L/R earbud.
Maintenance
Proper care will extend the life of your ZIHNIC Open-Ear Headphones.
- Cleaning: Use a soft, dry, lint-free cloth to wipe the headphones and charging case. Do not use abrasive cleaners or solvents.
- Water Resistance: While IPX5 waterproof, avoid submerging the headphones in water. Dry them thoroughly if they get wet from sweat or rain before placing them back in the charging case.
- Storage: Store the headphones in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures.
Troubleshooting
If you encounter issues with your ZIHNIC Open-Ear Headphones, try the following solutions:
| Problem | Possible Solution |
|---|---|
| Headphones not pairing |
|
| No sound or low volume |
|
| Headphones not charging |
|
| Touch controls not responding |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | S05 |
| Brand | ZIHNIC |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth |
| Earpiece Shape | Ear hook |
| Ear Placement | Open Ear |
| Control Method | Touch |
| Battery Life | Up to 28 Hours (with charging case) |
| Charging Time | Approx. 1.5 hours (full charge) |
| Water Resistance Rating | IPX5 (Sweatproof) |
| Item Weight | 50 Grams (approx. 1.76 ounces) |
| Material | Silicone |
| Compatible Devices | Various Bluetooth Devices (Smartphones, Tablets, Laptops) |
| Frequency Range | 20 Hz - 20,000 Hz |
| Impedance | 16 Ohm |
Warranty and Support
ZIHNIC products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your purchase or visit the official ZIHNIC website.
For further assistance, technical support, or customer service inquiries, please contact ZIHNIC customer support through their official channels. You can also visit the ZIHNIC Store on Amazon for more information and product updates: ZIHNIC Amazon Store.




