UGREEN Aux Bluetooth 6.0 Receiver 3.5mm with Microphone and USB Power

The UGREEN Aux to Bluetooth 6.0 Adapter is a USB-powered Bluetooth audio receiver for devices with a 3.5mm AUX input. It lets you stream music, navigation audio, and phone calls from a smartphone through a car stereo or home audio system without replacing the existing equipment.

Design & Real-World Comfort

The compact receiver fits easily in a vehicle cabin or beside a home audio system. Zinc-alloy connectors improve durability, while the flexible TPE cable, listed at approximately 0.3–1.5 m, supports convenient installation in different setups.

• Works with 3.5mm AUX inputs and nearby USB power.
• Requires no rechargeable battery or separate charging.
• Compact design helps save space.
• Suitable for cars, powered speakers, amplifiers, and home audio systems.

Acoustic Sound Quality & Tech

According to the product information, the Bluetooth 6.0 chipset supports a stable connection up to 10 m in suitable conditions. SBC codec delivers clear, practical audio for music, podcasts, navigation prompts, and everyday calls.

The built-in microphone supports hands-free calls through the car speakers or compatible audio system. This product is a Bluetooth receiver, not a transmitter; it cannot send audio from a TV or stereo system to Bluetooth headphones.

Battery Life & Smart Connectivity

The UGREEN receiver has no rechargeable battery. It draws continuous power through USB 2.0, making it suitable for vehicles and audio systems with an available USB port.

• Remembers up to five paired devices.
• Supports two connected devices according to the product information.
• Automatically reconnects to a phone when powered on.
• Simple setup: connect the 3.5mm plug to AUX, connect USB power, and pair via Bluetooth.

Figure 1: Core specifications and acoustic engineering infographic for UGREEN Aux Bluetooth 6.0 Receiver 3.5mm with Microphone and USB Power

Technical Specifications Table

Pros & Cons Analysis

Pros

• Adds Bluetooth audio to existing AUX-equipped systems.
• Easy setup with no battery charging.
• Built-in microphone supports hands-free calling.
• Stores multiple devices and supports two-device connectivity.
• Compact body, flexible cable, and durable connector material.

Cons

• Requires continuous USB power.
• Receiver-only design cannot transmit audio to wireless headphones.
• SBC codec is practical for everyday use but not intended for premium codec requirements.
• Call quality depends on microphone placement, background noise, and the vehicle or speaker system.

Frequently Asked Questions (FAQ)

Can I use it in my car?

Yes. Your car needs a 3.5mm AUX input for audio and a USB port for continuous power.

Does it need to be charged?

No. The receiver runs from USB power and does not include a built-in battery.

Can it connect to Bluetooth headphones?

No. It receives audio from a phone and sends it to a speaker or amplifier through AUX. It is not a Bluetooth transmitter.

Does it support hands-free calls?

Yes. The built-in microphone supports calls through a compatible car or home audio system.

How many devices can it connect?

It can remember up to five paired devices and supports two connected devices according to the advertised specifications.