---
product_id: 631296738
title: "Bluetooth 5.3 Aux Adapter For Car, 3.5Mm Auxiliary Wireless Audio Receiver, Receiver Car Music/Hands-Free Calling, 12H Battery Life, Car/Home Stereo (1 Pcs)"
brand: "kastwave"
price: "12319CFA"
currency: XOF
in_stock: true
reviews_count: 1
category: "Kastwave"
url: https://www.desertcart.sn/products/631296738-bluetooth-5-3-aux-adapter-for-car-3-5mm-auxiliary
store_origin: SN
region: Senegal
---

# Built-in mic for hands-free calls & voice control Bluetooth 5.3 for stable wireless audio 12H battery life with 2H fast charge Bluetooth 5.3 Aux Adapter For Car, 3.5Mm Auxiliary Wireless Audio Receiver, Receiver Car Music/Hands-Free Calling, 12H Battery Life, Car/Home Stereo (1 Pcs)

**Brand:** kastwave
**Price:** 12319CFA
**Availability:** ✅ In Stock

## Summary

> 🎧 Upgrade your ride & vibe wirelessly—because your sound deserves the future today!

## Quick Answers

- **What is this?** Bluetooth 5.3 Aux Adapter For Car, 3.5Mm Auxiliary Wireless Audio Receiver, Receiver Car Music/Hands-Free Calling, 12H Battery Life, Car/Home Stereo (1 Pcs) by kastwave
- **How much does it cost?** 12319CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/631296738-bluetooth-5-3-aux-adapter-for-car-3-5mm-auxiliary)

## Best For

- kastwave enthusiasts

## Why This Product

- Trusted kastwave brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Portable Design:** Sleek, pocket-sized adapter fits effortlessly in your car or home setup, freeing you from tangled wires and clutter.
- • **Long-Lasting 12-Hour Battery:** Keep your music and calls going all day with rapid 2-hour recharge, so you’re never left unplugged.
- • **True Wireless Stereo Capability:** Pair two units to create immersive left-right stereo sound—perfect for turning any space into a party zone.
- • **Hands-Free Calling & Voice Control:** Integrated microphone and dedicated call button let you stay connected and safe on the road with Siri and navigation support.
- • **Seamless Bluetooth 5.3 Connectivity:** Experience ultra-stable, low-latency wireless streaming that modernizes any vintage or wired audio setup.

## Overview

The Kastwave Bluetooth 5.3 Aux Adapter transforms any 3.5mm audio system into a wireless powerhouse with stable Bluetooth 5.3 connectivity, up to 12 hours of battery life, and hands-free calling capabilities. Its compact design and True Wireless Stereo pairing option make it ideal for both car and home audio setups, delivering modern convenience to classic sound systems.

## Description

Bluetooth 5.3 AUX Adapter for Car, 3.5mm Auxiliary Wireless Audio Receiver, Bluetooth Receiver for Car Music/Hands-Free Calling, 12H Battery Life, for Car/Home Stereo (1 Pcs)★★★Why choose us?★★★✅ - Mini Size & Portable: This Bluetooth audio adapter is smaller and more portable. Working range up to 33ft, not limited by wires. Support Devices: Home stereo, speakers, headphones, earbuds, audio music streaming , car stereo system, PC, etc.★★★Specifications★★★Color: Gray-Black★★★What you will get★★★1 * Bluetooth Car AUX Adapter★★★Note★★★- Manual measurement, please allow slight errors on size.- The colors may exist slight difference due to different screens.

Review: TWS fails 90% of the time - Tws is really bad because it fails most of the time and you have to do it everytime the device turn off, so i have an elaborate speaker setup at home where i have two amazing analog sound systems i want them to work together so i had one bluetooth receiver then used wires and small amp to distripute sound to both aux inputs on both systems, so these javing tws function seems to have solved the problem, yet everytime i turn on my tv or try to connect my phone i have to turn borh devices on then pair them together first which fails 90% of the time then connect my tv or phone, so since they fail to pair together there is no tws function which is thier selling point as even cheaper blutooth devices are better than them that has no tws

## Features

- 🎵 - 【True Wireless Stereo Functionality】Enhance your audio experience by pairing two of these Bluetooth receivers to create a True Wireless Stereo system, transforming separate speakers into left and right audio channels for immersive, booming stereo sound. Ideal for elevating parties and music experiences.
- 🎵 - 【Bluetooth 5.3 Connectivity】Upgrade your old or vintage audio equipment with this Bluetooth aux receiver, enabling wireless music streaming and hands-free calls in vehicles or with wired speakers, amplifiers, or stereo systems, thereby modernizing your audio setup.
- 🎵 - 【Simple Operation & Quick Pairing】Easy one-button activation for power and pairing, leveraging Bluetooth 5.3 for a faster, more stable connection, ensuring seamless audio playback and enhancing user convenience with its straightforward interface.
- 🎵 - 【Enhanced Hands-free Features】Equipped with an in-built microphone and dedicated button for managing calls, this receiver also supports voice-guided navigation and Siri activation, facilitating safer driving by minimizing distractions.
- 🎵 - 【Efficient Battery Performance】Offers long-lasting playtime, supporting up to 12 hours of continuous use on a full charge, coupled with a rapid charging feature that reaches full battery capacity in just 2 hours, ensuring your device is ready whenever you need it.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CX92J89R |
| Additional Features | Built-In Microphone, Hands-Free Calls |
| Audio Input | 3.5mm AUX |
| Audio Output Mode | Stereo |
| Audio Output Type | bluetooth, auxiliary |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #50,602 in Electronics ( See Top 100 in Electronics ) #72 in Bluetooth Car Kits |
| Bluetooth support? | Yes |
| Brand | KASTWAVE |
| Color | Gray-Black |
| Compatibility Options | Home stereo, speakers, headphones, earbuds, audio music streaming, car stereo system, PC |
| Compatible Devices | Headphone, Speaker |
| Compatible with Vehicle Type | Car |
| Connectivity Technology | Bluetooth |
| Connector Type Used on Cable | Auxiliary |
| Control Method | Touch |
| Control Type | Volume Control |
| Customer Reviews | 1.0 1.0 out of 5 stars (1) |
| Data Link Protocol | Bluetooth |
| Hardware Interface | Bluetooth |
| Human Interface Input | Buttons |
| Includes Remote | No |
| Installation Type | wireless |
| Item Weight | 0.04 Kilograms |
| Manufacturer | KASTWAVE |
| Number of Channels | 1 |
| Number of Ports | 1 |
| Power Source | Battery Powered |
| Rechargeable Battery Included | Yes |
| Supported Application | [ANY] |
| Supported Media Type | [MultipleStandardFormats] |
| Supported Standards | Bluetooth 5.3 |
| UPC | 755752508969 |
| Unit Count | 1.0 Count |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** KASTWAVE
- **Connectivity technology:** Bluetooth
- **Item weight:** 0.04 Kilograms
- **Power source:** Battery Powered
- **Special features:** Built-In Microphone, Hands-Free Calls

## Images

![Bluetooth 5.3 Aux Adapter For Car, 3.5Mm Auxiliary Wireless Audio Receiver, Receiver Car Music/Hands-Free Calling, 12H Battery Life, Car/Home Stereo (1 Pcs) - Image 1](https://m.media-amazon.com/images/I/51mTs6M-gbL.jpg)

## Customer Reviews

### ⭐ TWS fails 90% of the time
*by H***. on 22 February 2025*

Tws is really bad because it fails most of the time and you have to do it everytime the device turn off, so i have an elaborate speaker setup at home where i have two amazing analog sound systems i want them to work together so i had one bluetooth receiver then used wires and small amp to distripute sound to both aux inputs on both systems, so these javing tws function seems to have solved the problem, yet everytime i turn on my tv or try to connect my phone i have to turn borh devices on then pair them together first which fails 90% of the time then connect my tv or phone, so since they fail to pair together there is no tws function which is thier selling point as even cheaper blutooth devices are better than them that has no tws

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**Shop now:** [https://www.desertcart.sn/products/631296738-bluetooth-5-3-aux-adapter-for-car-3-5mm-auxiliary](https://www.desertcart.sn/products/631296738-bluetooth-5-3-aux-adapter-for-car-3-5mm-auxiliary)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-04-24*