1. Introduction
Thank you for choosing the Glazata Wireless Bluetooth Headset EC300N. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new headset. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
2. Package Contents
The Glazata EC300N package typically includes:
- Glazata Wireless Bluetooth Headset EC300N
- USB Type-C Charging Cable
- Ear Hooks (various sizes)
- Ear Tips (various sizes)
- User Manual (this document)
3. Product Overview
Familiarize yourself with the components of your Glazata EC300N headset.

Image 3.1: Glazata EC300N Wireless Bluetooth Headset. This image shows the sleek black design of the headset with its ear hook and control buttons.

Image 3.2: Key features of the Glazata EC300N. This diagram highlights the Qualcomm cVc technology, MEMS high-sensitivity microphone, dual microphone high-quality design, ENC noise reduction, aptX & aptX HD support, and fast charging capabilities.
3.1. Key Features
- Qualcomm Smart Chip: Equipped with an industry-leading Qualcomm smart chip for stable performance and efficient power consumption.
- aptX & aptX HD, SBC/AAC Support: Compatible with multiple audio codecs for high-quality sound transmission and reduced latency.
- Dual Microphone Call Design with ENC Noise Reduction: Features two microphones (feed-back canceling function) to automatically cancel ambient noise and accurately calculate the direction of the speaker, ensuring clear call quality.
- MEMS High-Sensitivity Microphone: Utilizes a superior MEMS microphone for high sensitivity and omnidirectionality, reducing noise during use for HD calls.
- Fast Charging: Supports rapid charging, allowing for quick power replenishment.
- Mute Function: Allows you to mute your voice during a call.
- Voice Assistant Support: Compatible with Siri and Android voice assistants.
4. Setup
4.1. Charging the Headset
Before first use, fully charge the headset. The EC300N supports fast charging via its Type-C port.
- Connect the USB Type-C charging cable to the headset's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The indicator light will show charging status. A full charge typically takes approximately 40 minutes.

Image 4.1: Fast charging feature. This image illustrates connecting the Type-C charging cable to the headset, highlighting the rapid charging capability.
4.2. Pairing with a Device
The EC300N supports automatic pairing after the initial setup.
- Power On: Press and hold the multi-function button until the indicator light flashes, indicating it's in pairing mode.
- Enable Bluetooth: On your smartphone, tablet, or computer, enable Bluetooth.
- Select Device: In the Bluetooth settings, search for available devices and select "EC300N".
- Confirm Pairing: Once connected, the indicator light will change, and a voice prompt will confirm successful pairing.

Image 4.2: Automatic pairing process. This image shows a smartphone's Bluetooth settings screen displaying the EC300N as a discoverable device, and the headset wirelessly connected.
4.3. Multi-Pairing
The headset can be paired with two devices simultaneously. To switch between devices, simply play audio or answer a call on the desired device.
5. Operating Instructions
5.1. Power On/Off
- Power On: Press and hold the multi-function button for approximately 3 seconds.
- Power Off: Press and hold the multi-function button for approximately 5 seconds.
5.2. Call Functions
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button for 2 seconds.
- Mute/Unmute: During a call, press the dedicated mute button. Your voice will be silenced, and the other party will not hear you.

Image 5.1: Mute function in use. This image depicts individuals using the headset, demonstrating the mute button's functionality during a call.
5.3. Voice Assistant (SIRI/Android)
While in standby mode, press and hold the multi-function button for approximately 3 seconds (until a response is heard). Release the button to activate Siri or your Android voice assistant.
5.4. Volume Control
Use the volume buttons on the headset to adjust the audio level.
6. Maintenance
6.1. Cleaning
Wipe the headset with a soft, dry cloth. Do not use abrasive cleaners or solvents.
6.2. Storage
Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
6.3. Water Resistance
Important Note:

Image 6.1: Water resistance warning. This image shows a crossed-out water droplet icon, indicating that the product is not fully waterproof.
This product is not fully waterproof. Avoid using it in heavy rain or submerging it in water for extended periods. While it features nanolayer surface treatment technology for a certain level of moisture protection, it is designed for normal use under conditions of 90% RH or less. Always remove the headset before washing clothes or pants to prevent damage.
7. Troubleshooting
7.1. No Sound or Connection Issues
If you experience no sound or difficulty connecting, try the following reset method:

Image 7.1: Headset reset method. This diagram shows a laptop connected via USB to a charging cable, which is then connected to the headset, illustrating a potential reset or firmware update process.
- Delete the pairing record for "EC300N" from your device's Bluetooth settings.
- Restart both your device and the headset. Alternatively, press and hold the multi-function button on the headset for approximately 3 seconds to re-enter pairing mode and attempt to pair again.
7.2. Mute Function Behavior

Image 7.2: Mute operation for Zoom and PC. This image shows a Zoom call interface and provides instructions for using the mute function with the headset on a PC, iPad, tablet, or smartphone.
The mute button on the headset is only active during a call.
- When connecting to a PC: If using the headset's mute function, first turn off the PC's microphone. To do this, go to PC settings > Sound > Sound device management > Microphone > OFF.
- For Zoom meetings: When using the headset for Zoom meetings, directly press the headset's mute button.
- For iPad, tablets, smartphones: When using the mute function, directly press the headset's mute button. No PC-like settings are required.
7.3. Calls via LINE App

Image 7.3: Notes on calls using the LINE app. This image displays a smartphone screen during a LINE call and provides important information regarding headset functionality with the LINE application.
When making calls via apps like LINE:
- You will hear the incoming call ringtone from the earphone. However, microphone and volume adjustment functions are handled by the headset's side buttons. Answering and ending calls cannot be done using the smartphone's buttons.
- This is not an issue with the earphone itself, but rather due to the software design of the LINE app. This applies to other wireless headsets on the market as well.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | EC300N |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Included Components | Instruction Manual |
| Target Age | Adult |
| Material | Plastic |
| Control Type | Voice Control |
| Cable Feature | Cable-less |
| Control Method | Touch |
| Number of Items | 1 |
| Battery Required | Yes |
| Manufacturer | Glazata |
| Package Dimensions | 11.5 x 9.2 x 2.7 cm |
| Weight | 100 g |
| Color | Black |
| Headphone Style | Ear-hook |
| Noise Control | ENC Noise Reduction |
9. Warranty and Support
9.1. Warranty Information
Glazata products are designed and manufactured to the highest quality standards. For specific warranty details, please refer to the warranty card included with your product or contact Glazata customer support.
9.2. Customer Support
If you have any questions, concerns, or require technical assistance, please contact Glazata customer support through the official website or the contact information provided in your product packaging. Please have your model number (EC300N) and purchase details ready when contacting support.


