FiiO uBTR Bluetooth Headphone Amplifier

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19,61 €

24,51 €

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Brand: FiiO


FiiO μBTR Bluetooth Receiver with Microphone

Qualcomm CSR8645 Bluetooth chip | aptX support | Independent local volume control | Built-in microphone | NFC support

High quality wireless audio made possible with the Qualcomm CSR8645

The μBTR brings the premium Qualcomm CSR8645 Bluetooth chip to the affordable device segment for the first time ever! The CSR8645 allows the μBTR to support Bluetooth 4.1 as well as the atpX, SBC, and AAC audio codecs for high-fidelity wireless audio, up to a distance of 10 meters.

*Please ensure there are as few obstructions as possible between the μBTR and Bluetooth source to ensure best playback experience.

Build-in high performance amplifier

Inside the heart  of the μBTR lies the Texas Instruments TPA6132A2, a high-performance headphone amplifier. This allows the μBTR to bring out the best of your headphones and provide a higher-quality wireless experiences better than even that of a wired connection!

Independent volume control

The μBTR features independent local volume control, which means that you can adjust both the Bluetooth device's volume and the μBTR's own volume separately. Making it easier to get a volume separately. making it easier to get a volume that's just right for you.

*Main button functions: switch between paired devices, enter pairing mode, play/pause track, on/off switch.

*Volume buttons functions: increase/decrease volume, skip forward/backward tracks.

Built-in microphone for voice calls

The built-in high sensitivity omnidirectional microphone allows other to hear you clearly, without to having sacrifice your music. 

Charge for 1 hour, listen for 9 hours USB Type-C symmetrical connector

Listen with the μBTR continuously for a long 9 hours with its 120mAh battery, and then spend just 1 hour to top the battery off and do it all over again. The Type-C symmetrical connector ensures that you can just easily use any modern charger you may have laying around. 

*The above numbers are based on specified test conditions. Battery life will vary depending on exact usage and playback volume.

*After being paired with an iOS device, it is pobbible to check the μBTR's battery levels through a widget on the paired device. 

One touch to pair with NFC

With the μBTR's NFC (Near-Field Communication) functionality, simply pair over Bluetooth with just one touch between the devices, saving you the hassle of having to go through the formal pairing process. 

*The Bluetooth device to be paired to must also support NFC. Both Bluetooth and NFC must be turned on at the same time to use this functionality.

360 degrees of beautiful minimalist design

The μBTR is minimalism distilled to its essence. The highly polished body combined with the use of transparent materials gives the μBTR a simple yet beautiful look that's delightful to touch. The lustrous pearl white color is also sure to attract some stares in your direction. 

*More colors to come in the future.

A tiny pice of craftsmanship for you to carry

Weighing only 12.5g and measuring only 5.5cm long (about the size of your pinky finger), the μBTR is extremely easy to have on you wherever you go - especially with the handy included elastic clips and lanyards.

  • When working out: it's the coach that encourage you despite sweat and tears;
  • When working: it's the assistant that helps you through the most difficult problems;
  • When winding down: it's the partner that allows you to kick back and relax.

May your assistant be of service?

Recognizing that AI is the future the μBTR allow easy access to voice assistants including Siri with just a double-click of the main button.

Handling two at a time

For more convenience, the μBTR can be paired up to two Bluetooth devices so that you can waste less time switching back-and-forth between your favorite gadgets.

*The μBTR by default first connects to the last-paired Bluetooth device. 

All it takes to connect is one click

How do you get back your music over Bluetooth after disconnecting? Simply just press the main key once to easily connect and disconnect.

Simple dual color indicator light

The μBTR's indicator light changes between red and blue to let you know immediately with a balance what us going on. 

*Charing/low power status: red light; working (on) status: blue light; pairing mode: flashing red and blue.


Model Name/NumberμBTRColor AvailableWhite
WeightAbout 13 g (incl. battery)DimensionsAbout  19mm*55mm*15mm (incl. bacl clip)
Audio InputBluetooth connection (Bluetooth 4.2 supported)Bluetooth CodecSupporting SBC, aptX, AAC
NFCSupportedDrive Ability16, 32 Ω (recommended)
Headphone Output3.5 mm stereo jackUSB Port  Type C USB
Volume ControlSide buttonsCharging IndicationYes (Red light flashes when powered off and goes off after charging completed)
Charging Time≤1 h(DC5V 500mA)Power InputRecommend DC5V 500mA 
Battery Capacity120 mAhBattery Life> 9h (tested with iPhone)
Output Power≥20mW (16 Ω/THD<1%)
≥ 10mW(32Ω/THD<1%)
Frequency Response20 Hz~20 kHz
THD+N<0.04% (1 kHz)Output Impedance<0.3 Ω(32Ω loaded)
SNR≥95dB (A-weighted)Max. Input Level0 dB
Crosstalk≥ 78 dBChannel Imbalance0.1 dB
Peak Output Voltage1.67 Vp-pMAX. Output Current>18 mA
Bluetooth Chip


Mic FunctionSupported

FiiO logo

About FiiO Electronics Technology Co., Ltd.

01 Brand Introduction - HiFi+Fashion

FiiO Electronics Technology Co., Ltd. was established in 2007.  It is a high-tech enterprise that combines research, development, production and sales, and its sales are mainly based on its own FiiO brand as opposed to OEM/ODM.  It focuses on digital audio, with current mainstay products being portable headphone amplifiers, DAC / amps and portable digital audio players.

FiiO: It is composed of Fi (Fidelity) from HiFi and iO (represents number 1 and 0) which indicates the sincerer feeling and more convenient life the digital tech has brought to us.

飞傲: The Chinese transliteration of FiiO, as well as representing youthful vigor and the active & innovative spirit of the company.

Audio products are meant to fulfill the spiritual pleasure of users.

  1. FiiO provides products and service related to music.
  2. We also hope to bring happiness to our users with the provided products and service, which is also the key value of FiiO.

Customer Service

  1. Good after-sales service, more reliable
  2. Great user experience, more pleasure
  3. Variety of activities, more involved

About products

  1. Affordable: FiiO products are well-known for its feature of high cost-performance. Lowering the entry level to make more customers can afford.
  2. Easy to use: FiiO pays great attention to the user experience. We are not only provide products with high quality, but also easy to use and with long lasting durability.
  3. More accessories bring more fun: Enable to play in a variety way and use under more possible environments.
  4. Updates available: Equipped with a variety of ports, it makes the music players can still connect to external amp/DAC for upgraded enjoyment.
  5. Endless transformability available: With replaceable amp module and expandable storage, the X7 can bring more playability.

02 Company Profile

Research & Development Team

  • Twenty years of R&D experience in audio products
  • Former core R&D team for audio products from OPPO
  • A team of 20 professional R&D engineers in software, hardware, industrial design, structure and electro-acoustic.

Research & Development Investment

FiiO keeps bringing in advanced equipments and high-tech talents so as to ensure the stable growth and long term competitive edge. Up till now, the team size has expanded three times than that of 2007 when we established.

Team Composition

The R&D team is made up of development dep, engineering dep and QC dep, with 60+engineers in total.

Authorized certifications

FC, CE, KC, CCC and ISO9001:2008 ensure the safety and quality of the products.

Production management

FiiO has strict requirements to production with almost “zero tolerance” even to small problems, which is strictly in compliance with the International Quality Management System ISO9001. 

QC Equipment 

  • a. AP audio analyzer (valued at 200,000RMB).
  • b. Life-span test platform against high & low temperature, swing and plug & unplug trial.
  • Aging test carriage towards mass production.
  • Aging test machine under high & low temperature.

Customer oriented

Driven by customers’ needs, we innovate constantly and response promptly to the market changes. We develop new products based on customers’ needs and compete for more market shares.

Company culture - Our Vision

Present the world a better “Made in China”.

Brand Spirit

  • Innovation

the earliest company that designed the minimum volume headphone amplifier. First dockable amp & DAC product. First amp specially designed for iPod/iPhone. First amp with adjustable power supply and power supplied by mobile phone battery. First multifunctional headphone amp & DAC for Android smarphone. First Hi-Res music player at a price lower than 1000RMB supporting 192K music. First Android-based Hi-res music player. 

  • Quality

Repair Rate < 1%. Sound Quality Control system. Original components imported from TI, Wolfson, Maxim. Company-wide quality control. +20 quality engineers and inspectors. Complete testing facilities. 

  • Service

CEO at the frontline of customer service. 100% response to enquiries. The most popular headphone amplifier brand on Head-Fi. First class website and contents in the audio industry. Interaction with and support to customers on Facebook and Microblog (twitter-like social website).

Brand Mission

FiiO designs, produces and sells high-quality products at favorable prices to those who love music and style.

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FiiO uBTR Bluetooth Headphone Amplifier

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