KOSS BT330I Bluetooth Headset Instructions
- June 5, 2024
- KOSS
Table of Contents
KOSS BT330I Bluetooth Headset
Music
Music play/pause
Press Multifunction button once to play/ pause music. (Some media devices
may require you to start a media player first).
Next track/previous track
- Press and hold the Volume + for 2 seconds to skip to next track.
- Press and hold the Volume for 2 seconds to skip to previous track
Volume up/volume down
- Short press Volume + to incrementally increase the volume.
- Short press Volume to incrementally decrease the volume.
Calling with voice assistant ( Device support needed)
Double press the Multifunction button, wait for device prompt, and then speak
a command.
Note: Media player is needed to support this functionality.
Call
Answer a call
Single press the Multifunction button, Volume , or Volume .
Reject a call
Press and hold the Multifunction button for 2 seconds.
End a cal
Press the Multifunction button once.
End current call and answer new call
When a new call rings during a call, press the Multifunction button once to
answer new call and end current call simultaneously.
Place current call on hold and answer new call
When a new call rings during an active call, double press the Multifunction
button to hold current call and answer new cal.
Reject the new call; hold the current call long press.
When a new call rings during an active call, single press the Multifunction
button for 1 second to reject a new call, keeping the active call.
Mute on/off
Press the Volume for 2 seconds to mute on/off.
Charging
It takes 2 hours to fully charge the headphones. While charging, the battery
indicator light will be red. Charging is complete when the indicator light
flashes blue.
Note: The lifetime of the battery will be significantly reduced if your
headphones are left uncharged for a long period of time. We recommend that you
recharge your headphones at least once a month. 
Safety and Care
- Using Headphones at high volumes for extended periods of time may result in permanent hearing damage. It is advised that you keep volume at moderate to low levels at all times for your safety.
- Do not use while driving a car, cycling, operating machinery, or performing other activities that require you to hear surrounding sounds.
- Headphones may not work properly in high temperatures or high humidity conditions.
- Do not use any corrosive cleaner/oil to clean the headphones.
- If the headphones come in contact with liquids, quickly wipe away. If submersed in water, do not turn the headphones on until completely dry.
- Submersion in liquid voids the warranty.
- Keep the headphones and packaging out of reach of children.
Start Here
Status Indicator
When the distance between the headphones and device is beyond effective range, the headphones will disconnect with the device. The headphones will power off automatically once no activity has occurred for 5 minutes.
Pairing
Pair One Device
Note: When the headphones and device have been paired once, they will
automatically connect when the headphones are on and Bluetooth is activated on
the device.
- Make sure the headphones are turned off and within are 1 meter of your device, press and hold the Multifunction button until the LED indicator flashes red and blue alternately (about 5 seconds), then release Multifunction button.
- Activate Bluetooth on your device (see below for more details).
- On your device, Settings.
- Select Bluetooth. If Bluetooth is off, turn it on. The device will search for new devices automatically.
- Select “KOSS BT330i” from the device menu.
Clear Paired List
Make sure the headphones are turned off, then press and hold the Multifunction
button until the LED indicator flashes red and blue alternately (about 5
seconds), then release Multifunction button. Press volume+ and volume –
buttons at the same time until LED flashes blue, then alternates between red
and blue. At this point the paired list is cleared and the headphones will
enter into pairing mode the next time they are powered on.
Safety and care
Using headphones at high to moderate volumes for extended periods of time may
result in permanent hearing damage. It is advised you keep volume levels
moderate to low at all times for your safety.
Do not use while driving a car, cycling, operating machinery, or performing
other activities that require you to hear surrounding sounds.
Earbuds may not work properly in high temperatures or high humidity
conditions.
Do not use any corrosive cleaner/oil to clean the earbuds.
If the earbuds come in contact with liquids, quickly wipe away. If submersed
in water do not turn the earbuds on until completely dry.
Tips: liquid submersion voids the warranty.
Keep the earbuds and packaging out of reach of children
Battery Warning!
- For devices with removable batteries must be recycled or handled properly.
- Disassembly is not alowed for products with the bátteries that cannot be rémoved.
- Do not disassemble, strike, crush. or put the battery into fire. Do not expose the battery to conductive materials, liquids, fire, or high temperatures.
- Do not allow metal objects to touch the two poles of the battery. Do not continue to use the battery if it has bulges, leaks, discoloration, ódors, or any other abnormality.
- Do not use the battery after it has been submerged in water.
- If the battery is used improperly, it may explode or leak, causing burns and other personal injuries. If the battery leaks, it should be carefully disposed of according to local laws and regulations concerning battery disposal.
FCC Statement
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates electromagnetic energy and,
if not installed and used in accordance with the instructions, may cause
harmful interference with other radio communications. However, there is no
installation. This his equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connet the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority to operate the equipment.