1. Introduction
The T68 Wireless Audio Adapter is a versatile device designed to enhance your audio experience. It functions as both a Bluetooth receiver and transmitter, and also supports TF card playback, allowing you to enjoy music wirelessly or through wired connections. Featuring a clear LCD display, it provides real-time usage status, making operation intuitive and convenient.
Video: Product demonstration and usage overview.
2. Key Features
- Wireless V5.3: Advanced Bluetooth 5.3 technology for stable and efficient connections.
- Receiver/Transmitter Modes: Supports both receiving and transmitting wireless audio signals.
- LCD Display: Equipped with an LED display for real-time usage status, including battery level and volume.
- Automatic Reconnection: Automatically connects back to the last paired wireless device upon startup.
- Automatic Shutdown: Device automatically shuts down if no device is connected within 3 minutes.
- Long Battery Life: Approximately 7.5 hours in RX mode and 5 hours in TX mode on a full charge.
- Wireless Protocol Support: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP.
- AUX Audio Input/Output: Standard 3.5mm audio jack for versatile connections.
- TF Card Playback: Supports direct playback from TF cards up to 64GB (MP3/WMA/APE/WAV/FLAC formats).
- Lossless Sound Quality: Supports high-fidelity stereo sound for clear audio.
- 10-Meter Transmission: Stable signal transmission up to 10 meters in open areas.
Image: The T68 adapter features an LED display for real-time status, including battery level and volume.
3. Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Multifunctional wireless adapter |
| Product Model | T68 |
| Wireless Version | Wireless 5.3 |
| Transmission Distance | Open area up to 10 meters long |
| Power Supply Method | Type-C interface |
| Product Size | 59.6mm x 41mm x 15mm |
| Battery Capacity | 300mAh |
| Working Hours (RX mode) | Approximately 7.5 hours |
| Working Hours (TX mode) | Approximately 5 hours |
| Charger Included | No |
| Battery Included | No (internal rechargeable battery) |
| Certification | CE |
Image: Detailed technical parameters of the T68 Wireless Audio Adapter.
4. Package Contents
Upon opening your T68 Wireless Audio Adapter package, you should find the following items:
- T68 Host (Wireless Audio Adapter)
- Audio Cable (3.5mm AUX cable)
- Charging Cable (Type-C)
- Instructions (this manual)
5. Setup Guide
5.1 Power On/Off
- Power On: Long press the power button (
) for 3 seconds. - Shutdown: Long press the power button () for 3 seconds.
5.2 Mode Selection (RX/TX Switch)
The T68 adapter features a physical switch on its side to select between Receiver (RX) and Transmitter (TX) modes. Ensure the switch is set to the desired mode before connecting.
Image: The RX/TX switch on the side of the adapter. Only one mode can be active at a time.
5.3 Receiver Mode (RX) Setup
In RX mode, the adapter receives Bluetooth signals from your phone or other devices and outputs audio to wired speakers, car stereos, or amplifiers.
- Power On: Long press the power button for 3 seconds. The display will show "RX MODE" and "Searching", and the Bluetooth icon will flash.
- Connect Audio Cable: Insert one end of the 3.5mm audio cable into the adapter's audio jack and the other end into the AUX input of your speaker, car stereo, or other audio playback device.
- Pair with Phone: On your mobile device, enable Bluetooth and search for "T68". Select it to pair. Once paired, the Bluetooth icon on the adapter's display will stop flashing, and a voice prompt "Wireless connection successful" will confirm the connection.
- Play Music: Open your music application on your phone and start playback.
Image: Example of T68 in RX mode, connecting a mobile phone to a wired speaker.
Image: T68 in RX mode enabling wireless audio for car stereos.
5.4 Transmitter Mode (TX) Setup
In TX mode, the adapter transmits audio from wired sources (like TVs, computers, MP3 players) to Bluetooth headphones or speakers.
- Power On: Long press the power button for 3 seconds. The display will show "TX MODE" and "Searching", and the Bluetooth icon will flash. The adapter will automatically search for nearby Bluetooth devices.
- Connect Audio Cable: Insert one end of the 3.5mm audio cable into the adapter's audio jack and the other end into the audio output of your TV, computer, MP3 player, or other audio source.
- Pair with Bluetooth Device: The display will show the names of discoverable Bluetooth devices. Use the up/down buttons to select your desired device and press the power button to confirm. Once connected, the Bluetooth icon will stop flashing.
- Play Audio: Start playing audio from your source device.
Image: T68 in TX mode, connecting a computer or TV to wireless audio devices.
Image: Example of T68 in TX mode, connecting a laptop to wireless headphones.
Image: Example of T68 in TX mode, connecting a TV to wireless headphones.
5.5 TF Card Playback Setup
The T68 adapter can also function as a standalone MP3 player by directly playing music from a TF card.
- Insert TF Card: Gently insert a TF card (up to 64GB, pre-loaded with MP3/WMA/APE/WAV/FLAC songs) into the TF card slot on the adapter.
- Switch to TF Card Mode: Triple-click the power/call button () to switch between Bluetooth and TF card playback modes. The display will indicate the current mode.
- Connect Headphones/Speakers: Connect wired headphones or speakers to the adapter's 3.5mm audio jack for playback.
Image: Inserting a TF card into the T68 adapter for direct music playback.
Image: Various modes for TF card usage, including transmitting to wireless audio, direct playback to wired audio, or using with wired headphones.
6. Operation
6.1 Key Operations
| Function | Action |
|---|---|
| Power On | Long press power button () for 3 seconds |
| Shutdown | Long press power button () for 3 seconds |
| Wireless Transmit (TX) | Display shows wireless device name. Press up/down buttons () to select device, press power button () to confirm. |
| Wireless Reception (RX) | Turn on mobile Bluetooth, search for "T68", pair. Voice prompt "Wireless connection successful", wireless icon stops flashing. |
| Decrease Volume | Press down button () |
| Increase Volume | Long press up button () |
| Previous Song | Click up button () |
| Next Song | Click down button () |
| Play/Pause Music | Tap power/call button () |
| Answer/End Call | When calling, short press power/call button () |
| Reject Call | Long press power/call button () |
| Redial Last Number | Double click power/call button () in connected state |
| Switch Mode (Bluetooth/TF Card) | Triple-click power/call button () |
| Search Again (TX Mode) | Double click power/call button () to disconnect current device and search for new ones. |
| Automatic Shutdown | 3 minutes without any device connection or other button operations. |
| Charge Indicator | Charging status: charging icon on display flashes. Stops flashing when fully charged. |
Image: Detailed description of button functions and operations.
7. Device Compatibility
The T68 Wireless Audio Adapter offers massive compatibility with a wide range of audio devices:
- Speakers: Old style speakers, active speakers, ordinary audio systems, trolley speakers.
- Computers & TVs: Desktop computers, televisions, laptops, tablets.
- Other Devices: Various vehicle models (car audio), projectors, amplifiers, mixers.
Image: The T68 adapter is compatible with a wide range of audio input/output devices.
8. Charging and Battery Life
The T68 adapter is equipped with a 300mAh rechargeable polymer battery, supporting both charging and use simultaneously. It features intelligent fast charging technology for convenience.
- Battery Capacity: 300mAh
- Working Hours: Approximately 7.5 hours in RX mode, 5 hours in TX mode.
- Charging Interface: Type-C (DC 5V)
- Charging Indication: The charging icon on the display flashes during charging and stops when fully charged.
- Multiple Charging Methods: Can be charged via computer USB, vehicle USB, socket USB, power bank, or a USB adapter.
Image: Internal battery view and various charging methods supported by the T68 adapter.
9. Troubleshooting
- Device not powering on: Ensure the device is charged. Connect it to a power source using the Type-C cable and try again.
- Cannot pair in RX/TX mode: Make sure the device is in the correct RX or TX mode using the side switch. Ensure the target device is in pairing mode and within 10 meters. Double-click the power/call button to search again if in TX mode.
- No audio output/input: Check all audio cable connections. Ensure the volume on both the adapter and the connected audio device is turned up. Verify the correct mode (RX/TX/TF card) is selected.
- TF card not playing: Ensure the TF card is inserted correctly and contains supported audio formats (MP3/WMA/APE/WAV/FLAC). Make sure the device is in TF card playback mode (triple-click power/call button).
- Intermittent connection/poor signal: Ensure there are no significant obstacles between the adapter and the connected Bluetooth device. Keep devices within the 10-meter transmission range.
10. User Tips
No specific user tips were available from reviews or Q&A for this product. However, here are some general tips for optimal use:
- Always fully charge the device before first use to ensure optimal battery performance.
- Keep the adapter updated with the latest firmware if available (check manufacturer's website).
- For the best audio quality, use high-quality audio cables and ensure your source audio files are of good quality.
- When switching between RX and TX modes, ensure the device is powered off first, then change the switch, and power it back on.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for any warranty claims.
