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KLH Fusion

True wireless headphones with Bluetooth®

Item # 405FUSION

These true wireless headphones can be controlled with just the sound of your voice, for hands-free operation.

These true wireless headphones can be controlled with just the sound of your voice, for hands-free operation.

California customers:
Please click here for your Proposition 65 warning.

Jody
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Contact our Virginia-based experts.

Item # 405FUSION

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$199.99 Sale: -$100.00 off

$99.99
Jody
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About the KLH Fusion

Feature-packed and wire-free

The KLH Fusion are as wireless as it gets. They connect to your phone or other audio device through Bluetooth, with no cable needed to link the two earbuds. The included charging case can also wirelessly charge the earbuds. Even cooler, these in-ear headphones have their own native voice control system built right in. That means you can operate them with just the sound of your voice.
KLH Fusion true wireless headphones with Bluetooth

The KLH Fusion come with a carrying case that doubles as a charger, letting you power your headphones back up on the go.

Feature-packed and wire-free

The KLH Fusion are as wireless as it gets. They connect to your phone or other audio device through Bluetooth, with no cable needed to link the two earbuds. The included charging case can also wirelessly charge the earbuds. Even cooler, these in-ear headphones have their own native voice control system built right in. That means you can operate them with just the sound of your voice.

Look ma, no hands!

No need to use your hands. That's what your voice is for. The KLH Fusion can recognize nine commands without an additional "wake-up" prompt. You can play (or pause) your music, accept (or reject) incoming calls, switch tracks, and even change the volume — all without lifting a finger. If you're used to Siri or Google Assistant, they're both compatible as well.

On the other hand, if you're in a quiet environment or just prefer not to use voice control, no worries. The earbuds still have simple touch controls.

Firsthand impressions: 

I had the opportunity to spend some serious time hands-on, or rather hands-free, with the KLH Fusion. My first takeaway was just how convenient they were. I was able to listen for almost a full work shift at a time, typing away like a busy little bee, then pop the headphones into the carrying case to charge right back up for the next session. I also enjoyed the freedom to walk away from my desk during a break and have the music keep playing like a personal soundtrack. 

The default earpieces were nice and snug, staying secure even as I danced between paragraphs. The seal was tight but comfortable, providing a surprising level of noise isolation, and the sound was clear and detailed, working well for both music and calls. 

The voice commands have pretty specific wording, so I caught myself early on trying to issue commands like "Next Track" or "Skip" instead of the appropriate "Next Song." As I got used to the prompts, the voice commands ended up being the primary way I interacted with the headphones. The touch commands were responsive, but I found it easier to use my voice than memorize the various "tap-hold" sequences. 

I have a tendency to sing along while I listen, so there were a few instances where that triggered the voice commands accidentally. As the headphones learned my voice though, that happened less and less. If you're picking these up, just keep in mind that the voice recognition is a learning software, so it may take a couple days for the headphones to get used to you. In my experience, it was more than worth the investment.

Your voice only

You want to be the one controlling your headphones, not passing strangers. With Bone Voiceprint, these earbuds learn the movement of your jaw so they can distinguish between your voice and others. They'll only recognize your voice commands, rejecting other sounds that might've been misconstrued as a command from anyone else.

Each earbud sports two high-tech microphones designed to capture your voice clearly and filter out ambient noise in your environment. This way, if you're on a call, the other party will hear what you're saying and not the hustle of the street around you.

Strong wireless connection

These earbuds use Bluetooth 5.0, the latest and most stable version. They also support aptX® and AAC, for high-fidelity streaming with compatible devices. Why sacrifice quality for convenience if you don't have to, right?

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Product highlights:

  • wire-free headphones (no cable connecting the earbuds)
  • Bluetooth 5.0 for wirelessly streaming music and answering phone calls
    • aptX® and AAC codecs give you high-fidelity music from compatible devices
  • 6mm drivers deliver clear, dynamic sound
  • IPX5-rated moisture resistance
Voice control, charging case, and battery:
  • can be operated 100% hands-free
    • native voice control recognizes 9 commands without a wake-up word
    • 4 Knowles® MEMS/Smart Microphones capture your voice clearly and cancel ambient noise
    • Bone Voiceprint learns the movements of your jaw to ensure only your voice commands are recognized
    • voice commands are disabled while actively on a call
    • works with Siri and Google Assistant
  • built-in rechargeable batteries offer 7 hours of listening
  • carrying case wirelessly charges headphones and banks up to 28 hours of power
  • headphones fully charge within 90 minutes
General info and accessories:
  • 7 pairs of ear tips, 1 medium set is pre-installed
  • USB-C to USB-C charging cable
  • USB-C to USB-A adapter
  • frequency response: 20-23,000 Hz
  • 7/8"W x 1-9/16"H x 15/16"D (each earbud)
  • case: 2-3/16"W x 1-9/16"H x 1-3/8"D
  • weight: 0.35 oz. (both earbuds)
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # KLHF00069

What's in the box:

  • Left and right true wireless earbuds (black)
  • Charging case
  • 7 Pairs of silicone ear tips (1 pair installed)
  • 20" USB-C charging cable (USB-C on both ends)
  • USB-C to USB-A adapter (attached to cable)
  • Manual
  • Quick Start Guide
  • Voice Commands card
  • Important note (re: plastic tabs)

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More details on the KLH Fusion

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Features & specs

General
Fit Style True Wireless
Earcup Type Closed
Earcup Width x Height 0.87" x 1.846"
Noise-canceling No
Bluetooth Yes
Bluetooth Version 5.0
Single-earbud Operation Yes
Mic For Taking Calls Yes
Voice Assistant Access
Amazon Alexa No
Google Assistant Yes
Siri Yes
Connectors
3.5mm No
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Specs
Frequency Response 20-23k Hz
Sensitivity N/A dB
Impedance N/A
Weight 3.5 ounces
Cord Length N/A
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research

Features

Overview: The KLH Fusion True Wireless Earbuds let you listen to your favorite music and answer calls from your smartphone without any connecting cables. Fusion earbuds feature aptX for exceptional sound quality. You can control your music and phone calls with touch control and voice commands. The earbuds come with a compact, flip-top charging case, 7 pairs of soft silicone ear tips, and a USB-C charging cable with a Type A adapter.

Bluetooth 5.0: Fusion True Wireless Earbuds feature Bluetooth v.5.0 for quick connections and dependable wireless performance with fewer audio dropouts. The earbuds have AAC and Qualcomm aptX for high-definition sound quality. The left and right earbuds can both work separately as a single mono earbud, or work together as a stereo pair.

Microphones: Each earbud has two Knowles® MEMS microphones, one on the back of the earbud, and the other on the bottom, for capturing your voice as clearly as possible, while rejecting environmental noise.

Drivers: The earbuds are equipped with 6mm single dynamic drivers. The earbuds have an IPX5 water-resistant rating, so you can enjoy your music in all kinds of weather.

Ear Tip Assortment: The Fusion True Wireless Earbuds come with 7 pairs of silicone ear tips, to ensure that you find a size that fits. There are two pairs of small, medium, and large eartips, and one pair of extra small to choose from. One pair of the medium ear tips are pre-installed on the eartips.

Touch Controls: The outside edge of each earbud has a touch-sensitive area that lets you control your music and phone calls without touching your phone. The touch controls allow you to turn the earbuds on or off, pause or resume playback, raise or lower the volume, track forward or track backward, accept or reject incoming phone calls, and access your voice assistant (Siri or Google Assistant).

Native Voice Control: KLH Fusion features Native Voice Control for fully hands-free operation. The earbuds can recognize nine voice commands: "Play Music," "Pause Music," "Previous Song," "Next Song," "Accept Call," "Reject Call," "Volume Up," "Volume Down," and "Hey Siri."

Bone Voiceprint: Fusion's Bone Voiceprint technology learns the sound of your voice, while sensors detect the movements of your jaw. The earbuds will only respond to your voice commands, even in a loud environment, while rejecting voice commands that may come from others nearby.

Rechargeable Battery: Each Fusion earbud has a 75mAh Lithium-ion rechargeable battery with a 7-hour battery life on a full charge. The charging case's built-ion 600mAh Li-ion rechargeable battery provides up to 3 additional charges, for a total of 28 hours playback time. The earbuds are magnetically held in place inside of the case while they charge. The charging case features a USB-C charging port. The 2' charging cable has USB-C connectors on both ends to let you charge it from a USB-C power port. A USB-C to USB-A adapter is included, so you can charge the case using the most popular USB power chargers. The charging case can also charge wirelessly from a Qi-certified charging pad. The earbuds charge in approximately 90 minutes. Four LEDs on the front of the case indicate the charging level of the case (each LED represents 25% of a full charge). A single LED on each earbud lights to indicate that the earbuds are charging. When the LED goes out, the earbuds are charged. No charging time for the case is given.

Specifications:

  • Frequency Response: 20Hz to 23kHz
  • Driver Size: 6mm (dynamic)
  • Water Resistant Rating: IPX5
  • Bluetooth Version: 5.0
  • Codecs: SBC, AAC, aptX
  • Battery Capacity:
    • Ear Bud: 75mAh
    • Charging Case: 600mAh
  • Charging Time: 90 minutes
  • Battery Life:
    • Ear Buds: 7 hours
    • Charging Case: 21 hours
    • Ear Buds + Case: 28 hours
  • Dimensions:
    • Ear Buds: Width 0.87" Height 1.546" Depth 0.953"
    • Charging Case: Width 2.193" Height 1.234" Depth 1.349"
  • Weight:
    • Ear Buds: 0.35 ounces
    • Charging Case: 1.9 ounces (empty)

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