Product Overview
The KIM HOST OBT020 Open Ear Headphones are designed for comfort and situational awareness, making them suitable for various activities including sports, commuting, and daily use. These headphones feature Bluetooth 5.3 technology for stable connectivity, 16mm dynamic drivers for immersive sound, and an IPX5 sweatproof rating for durability.

Image: KIM HOST OBT020 Open Ear Headphones shown in their charging case.
What's in the Box
- Charging Case x1
- OBT-020 Earbuds x1 pair
- Detachable Neckband x1
- USB-C Charging Cable x1
- User Manual x1
- Packing Pouch x1

Image: All items included in the KIM HOST OBT020 Open Ear Headphones package.
Setup
1. Initial Charging
Before first use, ensure the charging case and earbuds are fully charged. Connect the provided USB-C cable to the charging port on the case and to a power source. The indicator light on the case will show charging status. Remove any protective film from the earbud charging contacts if present.
Video: Demonstrates connecting the USB-C cable to the charging case for the KIM HOST OBT020 Open Ear Headphones.
2. Bluetooth Pairing
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Search for "OBT020" in the list of available devices and select it to connect.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.

Image: A smartphone screen displaying the successful Bluetooth connection to "OBT020" headphones.
3. Wearing the Headphones
The OBT020 headphones are designed to rest gently outside your ear canal. For added security during active use, you can attach the included neckband.
- Take out the earbuds from the charging case.
- Place the ear hook over the top of your ear.
- Pivot the earbud backward until it fits snugly and comfortably.
- (Optional) To use the neckband, attach each end of the neckband to the designated slots on the earbuds. Adjust the length for a secure fit behind your head.

Image: Visual guide on how to correctly wear the OBT020 open ear headphones.
Video: Demonstrates the process of attaching the neckband to the KIM HOST OBT020 Open Ear Headphones and wearing them.
Operating Instructions
Touch Controls
The OBT020 headphones feature intuitive touch controls on the outer surface of each earbud. Refer to the diagram below for specific functions:

Image: A visual representation of the touch control functions on the OBT020 earbuds.
- Play/Pause Music: Tap once on the touch area.
- Next Track: Double-click the touch area on the right earbud.
- Previous Track: Double-click the touch area on the left earbud.
- Answer/End Call: Tap once on the touch area during an incoming call or active call.
- Reject Call: Long press the touch area for 3 seconds during an incoming call.
- Activate Voice Assistant: Long press the touch area for 3 seconds.
Key Features
Comfort-Fit Open Ear Design
The OBT020 headphones are designed to rest outside your ear canal, eliminating ear pain and pressure often associated with traditional in-ear earbuds. This ergonomic design ensures a secure yet lightweight feel, ideal for extended wear during work, travel, or exercise.

Image: A person wearing the OBT020 headphones, highlighting their comfortable open-ear design.
Situational Awareness & Secure Fit
The open-ear design allows ambient sounds to pass through, enhancing safety by keeping you aware of your surroundings. This feature is particularly beneficial for outdoor activities like running, cycling, and urban commuting. The adjustable ear hooks and optional neckband ensure a secure fit that stays in place during any activity.

Image: Individuals wearing open ear headphones, illustrating the benefit of maintaining situational awareness.
Immersive Sound with 16mm Dynamic Drivers
Experience rich, clear audio with deep bass, powered by advanced 16mm dynamic drivers. This ensures a high-quality listening experience for music and gaming without sacrificing the safety and comfort of the open-ear design.

Image: An exploded view diagram highlighting the 16mm dynamic driver responsible for immersive sound.
Stable Bluetooth 5.3 & Extended Playtime
Equipped with the latest Bluetooth 5.3 technology, the OBT020 provides a faster connection, superior stability, and ultra-low latency for seamless audio-video synchronization. Enjoy up to 12 hours of continuous playtime on a single charge, with the charging case extending total playtime to 55 hours. A quick 15-minute charge provides 2 hours of playtime.

Image: A visual representation of the 55-hour total battery life and quick charge capability of the OBT020 headphones.
IPX5 Sweatproof & Clear Calls
Built for an active lifestyle, these sports earbuds feature an IPX5 sweatproof rating, making them resistant to sweat and light rain. This makes them ideal for intense workouts and outdoor adventures. The built-in microphones ensure crystal clear call quality, even in noisy environments.

Image: The OBT020 headphones are shown with water droplets, illustrating their IPX5 water and sweat resistance.
Maintenance
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headphones in their charging case when not in use to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Charging Contacts: Ensure the charging contacts on both the earbuds and the case are clean and free of debris to maintain optimal charging performance.
Troubleshooting
- Headphones not pairing:
- Ensure the earbuds are charged and out of the case. Turn off and on your device's Bluetooth. Try resetting the earbuds (refer to the full user manual for specific reset instructions).
- No sound or low volume:
- Check the volume levels on both your device and the headphones. Ensure the earbuds are properly seated on your ears. Reconnect the Bluetooth connection.
- Charging issues:
- Verify the charging cable is securely connected to both the case and the power source. Clean the charging contacts on the earbuds and inside the case. Ensure the charging case itself has power.
- Earbuds falling out during activity:
- Ensure the ear hooks are correctly positioned over your ears. Use the detachable neckband for extra security, adjusting it to fit snugly behind your head.
Specifications
| Feature | Detail |
|---|---|
| Model Name | OBT-020 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Ear Placement | Open Ear |
| Audio Driver Type | 16mm Dynamic Driver |
| Battery Life (Earbuds) | Up to 12 Hours |
| Total Playtime (with Charging Case) | Up to 55 Hours |
| Water Resistance Level | IPX5 (Sweat Resistant) |
| Control Type | Touch Control |
| Material | Plastic, Silicone |
| Item Weight | 8.4 ounces |
Warranty & Support
KIM HOST offers a 365-Day warranty coverage for the OBT020 Open Ear Headphones. For any product inquiries, technical assistance, or warranty claims, please contact KIM HOST customer support. They provide 24/7 year-round customer support and offer free returns.
- Warranty Coverage: 365 Days
- Customer Support: 24/7 Year-Round
- Returns: Always Free Returns
For more information, visit the KIM HOST Store on Amazon.





