Universal Bluetooth 4.1 Car Kit with 3.5mm Aux and 4-Hour Battery

This Bluetooth 4.1 audio receiver converts any standard 3.5mm aux input into a wireless streaming point. Designed for car stereos, desktop speakers, and headphones, it lets you play music or take calls from your phone without cables. The small black plastic unit plugs directly into a female 3.5mm jack and pairs quickly with your device. With a 30-minute charge providing roughly 4 hours of use, it is practical for daily commutes or home listening.

Features and Construction

The receiver uses Bluetooth 4.1 with the A2DP profile for stereo audio. It operates in the 2.4GHz frequency band and maintains a stable connection up to 10 metres (33 feet). The outer casing is black plastic, chosen for lightness and portability.

Material and Build

Housed in black plastic, the receiver is lightweight at under 30g. Its small dimensions (1.4 x 1.5 x 5.8 cm) allow it to sit unobtrusively in a car cup holder or on a desktop. No moving parts or external antennas are present, keeping the design simple and reliable.

Size and Practical Fit

Measuring 1.4 cm by 1.5 cm by 5.8 cm, the unit fits easily into a glovebox or pocket. The integrated 3.5mm male plug connects directly to most aux sockets without needing an extra cable. A Mini USB female port handles charging, and the included 3.5mm to 3.5mm adapter extends connection options for recessed sockets.

Uses and Placement

The receiver works wherever a 3.5mm aux input exists. This includes older car stereos, home hi-fi systems, portable speakers, and wired headphones. It serves as a straightforward Bluetooth bridge for devices without built-in wireless capability.

Event or Professional Use

In a professional setting, such as an office or presentation room, the receiver can add Bluetooth streaming to a PA system or conference speaker. The 10-metre range lets you place your phone on a desk while the receiver stays plugged into the audio gear. Quick pairing means minimal downtime between meetings.

Everyday Home Use

At home, plug the receiver into a set of wired speakers or a hi-fi system to stream music from apps or podcasts. The 4-hour battery covers several hours of listening before needing a recharge. When not in use, the small size lets you store it out of sight.

Benefits and Buying Value

The receiver adds wireless convenience without replacing your existing audio equipment. It recharges fully in about 30 minutes, reducing downtime. The straightforward pairing process works with most Bluetooth phones, tablets, and laptops.

Reuse and Low Maintenance

No software updates or batteries to replace. The internal lithium cell charges via any standard USB power source using the Mini USB port. At the end of a listening session, simply unplug the unit and store it until next use.

Why Choose This Product

For anyone with a 3.5mm aux input who wants wireless audio, this receiver offers a direct solution. Its compact build, 4-hour battery, and included adapter make it suited for both car and home use. The Bluetooth 4.1 chipset provides stable audio streaming within a 10-metre range.