COOSII H300 Manual

What's in the Box

Schematic

1. Multi-function Button
   Power On/ Off Button
   Music/ Call Control Button
   Previous/ Next Track Button
2. M Button
   Switch Between Dongle / Bluetooth Mode
   Microphone Mute/ On

3. Volume Up/ Down
4. Microphone Pole
5. Microphone LED Indicator
6. 3.5mm Audio Jack
7. Bluetooth LED Indicator
8. USB Charging Slot

1. LED Indicator
2. Multi-function Button
3. USB Port

Wearing

Pairing and Connecting with a Smartphone

The operation to register the device that you wish to connect to is called "pairing". First, pair a device to use it with the headphone for the first time.

Before starting the operation, make sure Of the following:

• The smartphone is placed within 1m (3 feet) of the headphone.
• The headphone is charged sufficiently.

1. Press and hold the button On the head phone for about 3 seconds until the red and blue light flash alternately, you will hear the voice guidance say, "power on".
2. Make sure the headphone is in Bluetooth mode.
   Note: Switch the "Bluetooth mode" and the "Dongle mode" by long press the button for 3 seconds, you will hear the voice guidance say "Bluetooth mode" or "Dongle mode".
3. Open the Bluetooth function on your smartphone and click H300 on the list. The headphone and smartphone are paired and connected with each other. You will hear the voice guidance say, "connected"

Pairing and Connecting with a Computer/ Laptop which Built-in Bluetooth Function (Windows)

The operation to register the device that you wish to connect to is called "pairing". First, pair a device to use it with the headphone for the first time.

Before starting the operation, make sure of the following:

• Your computer has a Bluetooth function.
• The computer is placed within 1 m (3 feet) of the headphone.
• The headphone is charged sufficiently.
• The operating instructions of the computer is in hand.
• Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.

1. Press and hold the button on the headphone for about 3 seconds until the red and blue light flash alternately, you will hear the voice guidance say, "power on".
2. Make sure the headphone is in Bluetooth mode.
   Note: Switch the "Bluetooth mode" and the "Dongle mode" by long press the button for 3 seconds, you will hear the voice guidance say "Bluetooth mode" or "Dongle mode".
3. Open the Bluetooth function on your computer and find H300 on the list.
   The headphone and computer are paired and connected with each other. You will hear the voice guidance say, "connected"

Pairing and Connecting with a Computer (Mac)

Compatible OS macOS (version 10.10 or later)

Before starting the operation, make sure of the following:

• Your computer has a Bluetooth function.
• The computer is placed within 1 m (3 feet) of the headphone.
• The headphone is charged sufficiently.
• Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.
• Set the computer speaker to the ON mode.
• If the computer speaker is set to the "OFF" mode, no sound is heard from the headphone.

Computer speaker in the ON mode

1. Press and hold the button on the headphone for about 3 seconds until the red and blue light flash alternately, you will hear the voice guidance say, "power on"
2. Make sure the headphone is in Bluetooth mode.
   Note: Switch the "Bluetooth mode" and the "Dongle mode" by long press the button for 3 seconds, you will hear the voice guidance say "Bluetooth mode" or "Dongle mode".
3. Register the headphone using the computer.
   • Select [System Preferences) - [Bluetooth] from the task bar in the lower right part of the screen.
     
   • Select [H300] from the Bluetooth screen and click [Connect).
     If Passkey (*) input is required, input "0000" The headphone and computer are paired and connected with each other. You will hear the voice guidance say, "connected".
     
   • Click the speaker icon in the upper right part of the screen and select [H300].
     
   • To set your paired COOSII H300 headphone as the default audio device for the computer:

If you'd like the headphone to be the default audio device, open System Preferences.

• Click the Sounds icon.
• Click Output, and then select H300 headphone.
• Click Input, and select H300 headphone.

Pairing and Connecting with a Computer Via Dongle Mode (Windows)

Before starting the operation, make sure of the following:

• The computer is placed within 1 m (3 feet) of the headphone.
• The headphone is charged sufficiently.
• The computer has a USB slot

1. Plug the COOSII USB Dongle into your computer
2. Press and hold the button on the headphone for about 3 seconds until the red and blue light flash alternately, you will hear the voice guidance say, "power on".
3. Make sure the headphone is in Dongle mode.
   Note: Switch the "Bluetooth mode" and the "Dongle mode" by long press the button for 3 seconds, you will hear the voice guidance say "Bluetooth mode" or "Dongle mode".
4. The headphone and the Dongle will be automatically be connected with each other within 3-10 seconds, you will hear the voice guidance say, "connected".

LED Indicator on Headphone

LED Indicator on USB Dongle

LED Indicator on Microphone Pole

Button Control

*MFB= multi-function button

Turn on/off Microphone

Short press button for turn on/off the microphone, you will hear the voice guidance say, "microphone on" / "microphone mute".

Charge the Headphones

1. Plug the small end of the USB cable into the micro-USB connector on the right earcup.
2. plug the other end into a USB wall charger or computer that is powered on.

Note: While charging, the battery indicator red. When the battery is fully charged, and the indicator (red) turns off automatically.

Common solutions

If you could not resolve your issue, see the table below to identify symptoms and solutions to common problems. If you are unable to resolve your issue, contact COOSII customer service.

Specification

Model Name	H300
Impedance	3215%
Frequency Response	20 - 2000Hz
Sensitivity	114dB±3dB
Bluetooth Version	V5.0
Drive Unit	40mm
Operation range	33 feet
Charging time	2 hours
Bluetooth protocol	A2DP/AVRCP/SMP/HFP

Please read and keep all safety and use instructions.

• Do NOT use the headphones at a high volume for any extended period.
  • To avoid hearing damage, use your headphones ata comfortable, moderate volume level.
  • Turn the volume down on your device before placing the headphones in/on your ears, then turn the volume up gradually until you reach a comfortable listening level.
• Do NOT use your headphones while driving for phone calls or any other purpose.
• Do NOT use the headphones if they emit any loud unusual noise. If this happens, turn the headphones off and contact COOSII customer service.
• Remove headphones immediately if you experience a warming sensation or loss of audio.

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download COOSII H300 Manual