ANSTEN A118
ANSTEN A118 Wireless Open-Ear Headphones User Manual
Model: A118 | Brand: ANSTEN
Introduction
This manual provides comprehensive instructions for the safe and effective use of your ANSTEN A118 Wireless Open-Ear Headphones. Please read this manual thoroughly before operating the device and retain it for future reference.
Package Contents
Verify that all items are present in your package:
- ANSTEN A118 Clip-on Earbuds (1 pair)
- Charging Case (1)
- USB-C Charging Cable (1)
- User Manual (this document)
Product Overview
The ANSTEN A118 headphones feature an open-ear design for comfort and situational awareness, equipped with advanced audio technology.

Figure 1: ANSTEN A118 Wireless Open-Ear Headphones and their charging case. The earbuds are black with silver accents, designed to clip onto the ear, and the charging case is a sleek black and silver oval shape.

Figure 2: Diagram illustrating the flexible C-shaped ear design of the ANSTEN A118 earbuds, highlighting the skin-friendly silicone material that adapts to different ear shapes for a comfortable and secure fit.
Setup and First Use
1. Charging the Headphones
Before first use, fully charge the headphones and the charging case.
- Place the earbuds into the charging case.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The indicator light on the case will show charging status. A full charge takes approximately 1.5 hours.

Figure 3: Visual representation of the ANSTEN A118's battery life, showing 5 hours per charge, 18 hours total battery life with the charging case, and 80 hours of standby time. It also highlights fast charging: 10 minutes of charge provides 1.5 hours of listening.
2. Pairing with a Device (Bluetooth 5.4)
The ANSTEN A118 uses Bluetooth 5.4 for stable and efficient connection.
- Ensure the earbuds are charged and inside the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "ANSTEN A118" from the list of devices.
- Once connected, a voice prompt will confirm successful pairing.
The headphones support multi-point connection, allowing simultaneous connection to two devices (e.g., a phone and a tablet) for seamless switching.

Figure 4: The ANSTEN A118 earbuds and charging case positioned between a smartphone and a tablet, illustrating the instant multipoint connection feature that allows seamless switching between devices using Bluetooth 5.4 technology.
3. Wearing the Headphones
The ANSTEN A118 features a lightweight, clip-on design for secure and comfortable wear.

Figure 5: Step-by-step diagram demonstrating the correct way to wear the ANSTEN A118 earbuds. First, attach the earbuds to the thinnest part of your ear, then adjust them to align with your ear canal for optimal audio performance and a secure fit.
The unique C-shaped safety bar and skin-friendly silicone material ensure a secure fit without discomfort, even during extended wear or physical activity. The three-point anti-fall design further enhances stability.
Operating the Headphones
Touch Controls
The ANSTEN A118 earbuds are equipped with sensitive touch controls for easy management of audio playback and calls. Physical sensor buttons prevent accidental touches.

Figure 6: A diagram illustrating the three-point anti-fall design of the ANSTEN A118 earphone, showing how it ensures a stable wearing experience and remains secure during various sports and activities.

Figure 7: An exploded view diagram of the ANSTEN A118's 13mm driver unit, showcasing its components designed for immersive sound performance with clear audio and a wide dynamic range.
| Action | Function |
|---|---|
| Briefly touch | Play / Pause, Answer call, End call |
| Touch for 2 seconds | Reject Call, Activate Siri (Voice Assistant) |
| Touch three times (Left Earbud) | Previous song |
| Touch three times (Right Earbud) | Next song |
| Double touch (Left Earbud) | Volume down |
| Double touch (Right Earbud) | Volume up |
Audio Features
The ANSTEN A118 headphones are engineered for high-quality audio and clear communication.
- Next-Generation Sound Quality: Equipped with 13mm drivers and a unique Incus algorithm, these earbuds deliver precise control across the sound spectrum, offering rich mids, impactful bass, and clear highs.
- AI ENC Noise Cancellation: AI-powered Environmental Noise Cancellation ensures crystal-clear calls by filtering out real-time background noise, such as wind and interference.
- Open-Ear Design: This design allows you to enjoy audio while remaining aware of your surroundings, enhancing safety during outdoor activities like cycling or running.

Figure 8: A woman in a bustling city environment using ANSTEN A118 earbuds, with a visual representation of sound waves indicating intelligent noise cancellation with AI-ENC for clear calls, filtering out background noise.

Figure 9: Two individuals cycling outdoors, both wearing ANSTEN A118 open ear clip headphones. This image highlights the safety benefit of the open-ear design, which allows users to remain aware of their surroundings while enjoying music.
Maintenance and Care
To ensure the longevity and optimal performance of your ANSTEN A118 headphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. The antibacterial coating on the earbuds helps prevent stickiness and odor caused by sweat.
- Water Resistance: The earbuds are IPX5 waterproof and sweat-resistant, suitable for workouts and light rain. Avoid submerging them in water or exposing them to strong jets of water.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Temperature: Avoid exposing the device to extreme temperatures (hot or cold) or high humidity.

Figure 10: A man wiping sweat from his forehead while wearing ANSTEN A118 earbuds, emphasizing their IPX5 waterproof and sweatproof reliability, making them ideal for outdoor sports and intense physical activity.
Troubleshooting
If you encounter issues with your ANSTEN A118 headphones, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Headphones do not turn on. | Ensure the earbuds and charging case are fully charged. Place earbuds in the case and close/open the lid. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Intermittent connection. |
|
| Touch controls not responding. | Ensure your fingers are clean and dry. Try resetting the earbuds by placing them in the case and closing the lid for a few seconds. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | A118 Clip on Headphones |
| Brand | ANSTEN |
| Connectivity | Bluetooth 5.4 |
| Maximum Operating Distance | 10 Meters |
| Earbud Weight | 5.4 Grams (each) |
| Material | Memory Titanium Wire, Plastic, Silicone |
| Charging Time | 1.5 Hours (full charge) |
| Playback Time (Single Charge) | Up to 5 hours (at 100% volume) |
| Total Playback Time (with Case) | Up to 16 hours additional (total 21 hours) |
| Standby Time | Up to 80 hours |
| Water Resistance Level | IPX5 (Waterproof and Sweat-Resistant) |
| Driver Size | 13mm |
| Noise Control | AI ENC Noise Cancellation (for calls) |
| Control Type | Touch Control |
| Compatible Devices | Cellphones, Desktops, Laptops, Tablets |
| Recommended Uses | Calling, Cycling, Exercising, Running, Entertainment, Travel |
Warranty and Support
ANSTEN products are tested and certified by strict labs worldwide (BQB, FCC, IC, CE, RoHS). While specific warranty terms are not detailed here, some users have reported options for extended or "lifelong" warranty upon product registration.
For further assistance, troubleshooting, or to access online video user guides, please visit the official ANSTEN website or their YouTube channel. These resources provide clear video user guides for most products.

Figure 11: The ANSTEN brand logo accompanied by text detailing product certifications (BQB, FCC, IC, CE, RoHS) and information about available online video user guides on ANSTEN's YouTube channel, aimed at making mobile life easier and more enjoyable.
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