| Brand | Avantree |
|---|---|
| Manufacturer | Avantree |
| Place of Business | Avantree |
| Model | BTTC-228 |
| Model Name | BTTC-228 |
| Part Number | BTTC-228-HA |
| Hardware interface | Bluetooth |
| Compatible Devices | Smartphone, Tablet, Laptop, Television, Headphone, Speaker |
| Special features | 1. Bluetooth 5.4; 2. Clear OLED Display; 3. Auracast Support |
| Audio input compatible with the item | 3.5mm AUX |
| Audio output mode | Stereo |
| Audio Output Type | Auracast, Bluetooth, Auxiliary |
| Power source type | Battery Powered |
| Batteries included | Yes |
| Batteries Required | Yes |
| Battery Cell Composition | Lithium Polymer |
| Wireless Standard | Bluetooth |
| Connector Type | AUX |
| Compatible media type | Auracast, Bluetooth 5.4 |
| Media Type | MP3, WAV, WMA, AAC, FLAC |
| Includes rechargable battery | Yes |
| Includes Remote | No |
| Supports Bluetooth Technology | Yes |
| Manufacturer | Avantree |
| Item model number | BTTC-228 |
| Parcel Dimensions | 15.09 x 14.2 x 1.7 cm; 91 g |
| ASIN | B0FGHWKCX6 |
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Avantree Voyager HA – Auracast & Bluetooth 5.4 Audio Transmitter for Headphones with Display & Volume Control, Qualcomm Chip, Firmware Upgradeable, AUX for Airplanes, PC, and Wireless Listening
Purchase options and add-ons
| Special feature | 1. Bluetooth 5.4; 2. Clear OLED Display; 3. Auracast Support |
| Brand | Avantree |
| Connectivity technology | AUX |
| Power source | Battery Powered |
| Colour | Black Ha |
| Wireless communication standard | Bluetooth |
| Compatible devices | Smartphone, Tablet, Laptop, Television, Headphone, Speaker |
| Supports Bluetooth technology | Yes |
| Media type | MP3, WAV, WMA, AAC, FLAC |
| Model name | BTTC-228 |
About this item
- 【WIRELESS AUDIO BROADCAST】Transmits audio wirelessly from airplanes, PCs, or any AUX source via Auracast or Bluetooth. Auracast requires a compatible receiving device.
- 【SIMPLE MODE TOGGLE & DISPLAY】Switch easily between Auracast and Classic Bluetooth using the physical slider. OLED screen shows real-time connection and mode status.
- 【ONBOARD VOLUME ADJUSTMENT】Control the audio output directly with volume buttons. Useful when the source device lacks its own volume control.
- 【UPGRADEABLE VIA FIRMWARE (DFU)】Future-ready with firmware upgrade support, allowing performance enhancements and wider device compatibility.
- 【CONNECTS TO ANY AUX SOURCE】Supports 3.5mm AUX input from airplanes, computers, radios, gym equipment, and other standard audio devices.
- 【BUILT FOR AURACAST PERSONAL LISTENING DEVICES】Designed for modern Auracast-ready personal listening devices, such as GN Danalogic Extend, Jabra Enhance Pro 20, and ReSound Nexia. Pairing requires compatible smartphones (e.g., Galaxy S20+) or companion apps.
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Product details
- Batteries : 1 Lithium Polymer batteries required. (included)
- Parcel Dimensions : 15.09 x 14.2 x 1.7 cm; 91 g
- Manufacturer : Avantree
- ASIN : B0FGHWKCX6
- Item model number : BTTC-228
- Country/Region of origin : China
- Customer Reviews:
Product Description
Frequently Asked Question
Q1: What makes this different from other Bluetooth transmitters?
A: It supports Auracast, includes an OLED screen for status visibility, onboard volume control, firmware upgrades, and is not meant for general consumer use.
Q2: Can I update the firmware myself in the future?
A: Yes. Voyager HA supports DFU (Device Firmware Upgrade), allowing you to install firmware updates when released - improving compatibility and performance over time.
Q3: What devices can I connect this transmitter to?
A: Any audio source with a 3.5mm AUX output - including Airplane, PCs, tablets, radios, or gym equipment.
Specifications
| Bluetooth Version | v5.4 |
| Supported Audio Codecs | LC3, aptX-Adaptive, aptx-HD, aptx, SBC |
| Supported Bluetooth Profiles | Auracast BIS, AVRCP, A2DP |
| Audio Input | 3.5mm AUX |
| Playtime | Up to 15hr |
| Charging Time | ~2hr |
| Operating Range | Up to 65ft / 20m |
| Power Supply | 5V / 2A rated USB charger or USB port via type C |
| Product Size | 118mm x 31.8mm x 12.5mm |
| Product Weight | 22g |
Product information
Technical Details
Additional Information
| Batteries | 1 Lithium Polymer batteries required. (included) |
|---|---|
| Date First Available | Aug. 12 2025 |
| Customer Reviews |
3.9 out of 5 stars |
| 鶹 Rank |
|
Feedback
Important information
Safety Information
Always follow battery handling precautions. This device may interfere with other wireless devices. Do not dispose of the battery in regular trash. Follow local regulations for battery disposal.
















