Supports LDAC Enjoy High Quality Wireless Sound

The BTR11 is the first in its price range to support the LDAC codec, truly bringing high quality Bluetooth audio to affordable prices. It is equipped with the new BES2700 Bluetooth chip with support for Bluetooth 5.3, a dual-core process for smooth performance, and a dual-core NPU for enhanced sound processing.

High-Performance Independent Headphone AMP

Inside the BTR11 is a high-performance independent headphone amplifier with ultra-low resistance and capable of outputting up to 45mW (16Q), enough to drive many earphones well. Enjoy high-quality sound comparable to that of wired connection even through wireless audio!

• Low impedance headphone driving power: 30mW (32Q), 45mW (16Q)

Brilliant Light Bluetooth Codec Indicator

The red and blue dual-color indicate light intuitively and cleverly indicates the status of the device through color combinations, whether it is powering on or off, pairing, charging, low on battery, or in which Bluetooth codec.

When Powered On

Red light: low battery Blue light connected, flashing every s seconds=SBC; flashing twice quickly=AAC; flashing 3 times quickly=LDAC.

Built-In Microphone Supports Voice Calls

The built-in high-sensitivity omnidirectional microphone is paired with support for call noise reduction, for crisp and clear calls.

Ultra-Low Power Consumption 15 Hours Long Battery Life Charge for 1 Hour Listen for The Whole Day Type-C Symmetrical Charging Port

Inside the BTR11 is a rechargeable battery, with enough capacity to let you listen for up to 15 hours. When the battery level is low, recharge the BTR11 back up to 90% in just one hour. Charging is done via a symmetrical Type-C connector commonly found on many mobile devices.

Luxurious Look from Any Angle

The BTR11 is minimalist, but not lacking. The BTR11 features a sleek polished finish, crafted from transparent material with multiple silk-screen prints. With a luxurious feel and a stylish black-and-white dual-color design, the BTR11 looks and feels appealing from any angle.

Elegantly Compact Easy to Carry

The BTR11 weighs only 12.5g and is about 5.5cm long - approximately the length of a finger. You can choose to wear the BTR11 either using the back clip or hanging it on a lanyard, making it easy to carry around with you wherever you go.

Travel Companion

An inseparable partner, easy to always carry with you, making your journey worry-free.

Work Assistant

Your own personal helper, helping you get through work challenges.

Leisure Companion

A device to relax your body and mind, making every rest session more enjoyable.

Private Theater

Handy for watching movies at night, allowing full immersion without disturbing others' routines.

Wireless Sound

Helps you get wireless sound, turning active speakers into Bluetooth speakers.

Car Sound Upgrade

Takes your car audio to the next level, bringing high-res Bluetooth as an upgrade.

Sophisticated Intelligence at your Fingertips

As a leader in providing a great experience among Bluetooth amps, double-pressing the multi-function key quickly activates Siri and the voice assistants of most phones.

Supports Pairing to 2 Devices Simultaneously

The BTR11 remembers being connected to 2 different Bluetooth devices, eliminating the need to always re-pair and making your experience more convenient.

One-Touch Reconnect Seamless Listening

If your Bluetooth headphones get disconnected, simply press the multi- function button to reconnect, letting you listen to music and answer calls without skipping a beat.

Buttons and Ports Labeled

Specifications:

General Specifications:

• Name/Model: BTR11
• Hardware Solution: Bluetooth: BES2700IHC, AMP: HT97220
• Volume Control: Physical buttons
• Weight: About 13g
• Dimensions: Approximately 55x19x14.6mm (including clip)
• Status Indicator: LED indicator shows Bluetooth transmission codec, charging status, lo battery reminder, etc.
• Microphone: Supports Bluetooth voice calls, built-in omnidirectional microphone
• Bluetooth Reception (5.3): SBC/AAC/LDAC
• Supported Impedance: PO: 8~100Ω
• Bluetooth Codec Indicator:
  • SBC: Blue light flashes once every 5 seconds
  • AAC: Blue light flashes twice every 5 seconds
  • LDAC: Blue light flashes three times every 5 seconds
• FIIO Control: Supported
• Firmware Upgrade: Bluetooth firmware can be upgraded via OTA

Buttons and Interfaces:

• Buttons: Volume +/- buttons ×1, multifunction button ×1
• USB: Type-C (charging)
• Headphone Output: Standard 3.5mm jack

Power Parameters:

• Power Supply: DC 5V/1A
• Battery Capacity: 120mAh lithium polymer battery
• Charging Time: <1.5 hours

Battery Life and Testing Conditions:

3.5mm Headphone Output :

• Battery Life: ≥15 hours
• Audio Input: Bluetooth reception
• Codec: AAC/SBC
• Volume: 40mV output
• Gain: N/A
• Display Status: N/A
• Playback Track and Format: MP3 44.1KHz/16bit
• EQ: Off
• Load: 32Ω

3.5mm Headphone Output:

• Battery Life: ≥8.5 hours
• Audio Input: Bluetooth reception
• Codec: LDAC
• Volume: 40mV output
• Gain: N/A
• Display Status: N/A
• Playback Track and Format: MP3 44.1KHz/16bit
• EQ: Off
• Load: 32Ω

Audio Parameters:

Headphone Output Performance (3.5mm, Bluetooth decoding, LDAC):

• Output Power:
  • L+R ≥ 45mW+45mW (16Ω, THD+N < 1%)
  • L+R ≥ 30mW+30mW (32Ω, THD+N < 1%)
  • L+R ≥ 3mW+3mW (300Ω, THD+N < 1%)
• Output Impedance: ≤ 0.5Ω
• Channel Separation: ≥ 76dB
• Signal-to-Noise Ratio: ≥ 101dB (A-weighted)
• THD+N: < 0.008% (1kHz / -3dB @ 32Ω)
• Noise Floor: ≤ 8uV (A-weighted)
• Frequency Response:
  • 20Hz ~ 20kHz: damping < 0.5dB
  • 20Hz ~ 45kHz: damping < 2.3dB