BT350 Bluetooth 5.0 2-in-1 AUX Receiver Transmitter Adapter

Alasicka BT350 — 2-in-1 Bluetooth 5.0 AUX Receiver & Transmitter

Upgrade any wired audio system to wireless with the Alasicka BT350 Bluetooth 5.0 Audio Adapter. This compact 2-in-1 device works as both a Bluetooth receiver and a Bluetooth transmitter, giving you the flexibility to stream music wirelessly to your car stereo, home speakers, or wired headphones — or transmit audio from a non-Bluetooth source to your wireless earbuds. Simply plug it into any 3.5mm AUX port and enjoy crystal-clear wireless audio.

Made in Mainland China.

Key Features

• Bluetooth 5.0 — Faster pairing, extended range, and stable, low-latency wireless connection
• 2-in-1 Versatility — Switchable between Receiver (RX) and Transmitter (TX) modes
• Universal 3.5mm AUX Interface — Compatible with car stereos, speakers, headphones, and more
• AAC Codec Support — High-quality audio streaming for a richer listening experience
• Compact & Lightweight — Just 5×2×1 cm and 11g bare weight; easily fits in a pocket or glove box
• Durable Construction — Plastic + metal build for everyday reliability
• Rechargeable — Comes with a 15cm USB charging cable for convenient top-ups

Specifications

• Color: Black
• Interface: 3.5mm AUX
• Bluetooth Version: 5.0
• Codec Support: AAC (APT-X not supported)
• Dimensions: 5 × 2 × 1 cm
• Bare Weight: 11g (receiver + metal adapter)
• Total Package Weight: 25g
• Material: Plastic + Metal
• Certification: CE

What's in the Box

• 1× BT350 Bluetooth Receiver/Transmitter
• 1× 3.5mm Metal Adapter
• 1× 15cm USB Charging Cable
• 1× User Manual (Chinese & English)
• 1× Sealed PP Bag Packaging

Compatible With

• Car AUX stereo systems
• Smartphones & tablets
• Wired headphones & earphones
• Bluetooth speakers
• Home audio systems

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Frequently Asked Questions

Q: What is the difference between Receiver (RX) and Transmitter (TX) mode on the BT350?

A: In Receiver (RX) mode, the BT350 receives a Bluetooth audio signal from your smartphone or tablet and outputs it through the 3.5mm AUX port to a wired speaker or car stereo. In Transmitter (TX) mode, it takes audio from a wired source (via the 3.5mm jack) and sends it wirelessly to your Bluetooth headphones or speakers. Simply switch modes to suit your setup.

Q: Is the Alasicka BT350 compatible with my car's AUX input?

A: Yes. The BT350 uses a standard 3.5mm AUX interface, which is universally compatible with virtually all car stereos, speaker systems, and headphones that feature a 3.5mm audio port. Just plug it in, power it on, and pair your device via Bluetooth 5.0.

Q: How do I charge the BT350 Bluetooth adapter?

A: The BT350 comes with a 15cm USB charging cable included in the package. Connect the cable to any standard USB power source (such as a car USB port, power bank, or USB wall charger) to recharge the device easily.

Q: Does the BT350 support high-quality audio codecs?

A: Yes, the BT350 supports the AAC audio codec, which delivers improved audio quality compared to standard SBC. Please note that APT-X is not supported. With Bluetooth 5.0, you can expect a stable connection and clear, enjoyable sound.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.