Introduction
Thank you for choosing the Yardstick Open Ear Bluetooth Headphones. This manual provides essential information for the proper setup, operation, and maintenance of your new headphones. Please read it carefully before use to ensure optimal performance and longevity of the product.
Safety Information
- Do not expose the headphones to extreme temperatures, humidity, or corrosive substances.
- Avoid dropping or subjecting the headphones to strong impacts.
- Clean the headphones with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Keep out of reach of children.
- Do not attempt to disassemble or modify the headphones. This will void the warranty.
- Always be aware of your surroundings when using open-ear headphones, especially in traffic or hazardous environments.
Package Contents
Verify that all items are present in your package:
- Yardstick Open Ear Bluetooth Headphones
- Charging Cable
- User Manual (this document)
Product Overview
The Yardstick Open Ear Bluetooth Headphones are designed for comfort and safety, allowing you to enjoy audio while remaining aware of your environment. They feature a lightweight, secure fit and intuitive controls.

The open-ear design allows you to hear your surroundings while enjoying audio, enhancing safety during outdoor activities like cycling.

Enjoy clear audio and a comfortable, secure fit that allows your ears to remain open to ambient sounds.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Connect the provided charging cable to the Type-C charging port on the headphones and a USB power source.
- An LED indicator will show the charging status.
- A full charge provides up to 20 hours of music playback.
- The LED power display keeps you informed about the battery status.

These headphones offer up to 20 hours of continuous music playback and are IP55 rated for water resistance, making them suitable for various weather conditions and active use.
2. Pairing with a Bluetooth Device
- Ensure the headphones are charged and powered off.
- Press and hold the power button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Yardstick Headphones" (or similar name) from the list of devices.
- Once connected, the indicator light will change, and you will hear a confirmation tone.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the power button for approximately 3 seconds until the indicator light turns on.
- Power Off: Press and hold the power button for approximately 5 seconds until the indicator light turns off.
2. Wearing the Headphones
Position the headphones over your ears with the ear hooks securely placed. The open-ear design ensures comfort and allows ambient sound awareness.

Designed for comfort and stability, the headphones feature a lightweight, super elastic structure that ensures a firm fit during movement.
3. Touch Control Functions
The headphones are equipped with intuitive touch controls for easy management of audio and calls.

The headphones feature intuitive touch controls for music playback, volume adjustment, and call management, along with an LED power indicator and Type-C charging port.
- Play/Pause: Single tap the touch function key.
- Volume Up: Short press the '+' button.
- Volume Down: Short press the '-' button.
- Next Song: Long press the '+' button.
- Previous Song: Long press the '-' button.
- Answer/End Call: Single tap the touch function key.
- Reject Call: Long press the touch function key.
- Activate Voice Assistant: Double tap the touch function key.
Maintenance
Cleaning
Wipe the headphones with a soft, slightly damp cloth. Do not use alcohol, solvents, or abrasive cleaners. Ensure the charging port is dry before charging.
Water Resistance
The headphones have an IP55 waterproof rating, making them resistant to sweat, rain, and light splashes. They are not designed for submersion in water. Ensure the charging port cover is properly sealed before exposure to moisture.
Troubleshooting
- No Power: Ensure the headphones are fully charged.
- Cannot Pair: Ensure Bluetooth is enabled on your device and the headphones are in pairing mode. Try restarting both devices.
- No Sound: Check the volume level on both the headphones and your connected device. Ensure the headphones are properly paired.
- Poor Sound Quality: Move closer to your connected device to reduce interference. Check for obstructions between the headphones and the device.
- Intermittent Connection: Ensure no other Bluetooth devices are causing interference. Keep the headphones within the effective range (up to 10 meters).
Specifications
| Feature | Specification |
|---|---|
| Model | YardstickBrightdarkblack |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Control Type | Touch Control, Voice Control |
| Water Resistance Rating | IP55 |
| Music Playback Time | Up to 20 hours |
| Compatible Devices | All Bluetooth devices |
| Material | Plastic |
| Item Weight | 91 g |
Warranty Information
Yardstick products are covered by a limited warranty from the date of purchase. Please refer to the warranty card included in your package or visit our official website for detailed terms and conditions. This warranty typically covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.
Support
If you encounter any issues or have questions regarding your Yardstick Open Ear Bluetooth Headphones, please contact our customer support team. You can find contact information on our official website or through the retailer where you purchased the product.
For the latest updates and support resources, please visit: www.yardsticksupport.com (Example link, replace with actual if available)




