Earldom ET-M90 Bluetooth 5.0 Wireless Audio Receiver with USB Port for Media Players and Car Audio Systems

*Product Description*  
Ditch the hassle of complicated wires and instantly upgrade your favorite audio devices with the advanced Earldom Wireless Audio Receiver (Model: ET-M90). This small, smart adapter is the ideal solution for streaming audio and music wirelessly and seamlessly from your phone or tablet directly to various audio receiving systems.

The device uses advanced, stable wireless connectivity technology via Wireless Version: BT 5.0, ensuring excellent audio clarity and a reliable, uninterrupted connection across a free, extended receiving range of 0 to 10 meters. The adapter is designed with an ultra-compact, fully portable flash-drive-style build (Wireless, Portable, Mini Player), giving you a flexible, universal experience to upgrade your car audio system or old home speakers in the blink of an eye with minimal effort.

*3. Features & Specifications*  
Based on the official specifications listed on the product’s external packaging, it features:

- *Core Product Type*: Smart wireless audio receiver using a wireless USB interface (Wireless Audio Receiver).  
- *Wireless Connectivity Technology*: Operates on a balanced, stable Bluetooth version (Wireless Version: BT 5.0).  
- *Range & Coverage Distance (Receiving Distance)*: Stable wireless broadcast and receiving range from 0 to 10 meters ( $0-10\text{M}$).  
- *Structural & Operational Features (Special Features)*:  
    - Fully wireless connection and streaming (Wireless)  
    - Lightweight, easy-to-carry design (Portable)  
    - Ultra-compact appearance that functions as a mini player (Mini Player)  
    - Supports pairing and connection with speakers (Speaker)  
- *Brand & Model*: Manufactured by Earldom, Model No. ET-M90.

*4. Connectivity & Supported Devices*  
The adapter acts as an instant wireless bridge via the USB interface to link smart devices to receiving systems:

- *Supported Audio Transmission Input Devices*:  
    - All types of mobile phones (Phone)  
    - Various tablets (Tablet)  
    - Digital audio and media players (Mp3 Player)  
- *Supported Receiving Audio Systems (Output Devices)*:  
    - Car stereos and car cassette systems (Car Stereo)  
    - Audio power amplifiers (Amplifier)  
    - Speakers and external sound systems (Speaker)

*5. Daily Benefits & Design Highlights*  
- *Instant, Low-Cost Upgrade*: Lets you play songs and audio clips from your modern phone wirelessly through an old car stereo or speakers that don’t support Bluetooth, saving you from replacing the entire audio system (Wireless Audio Receiver).  
- *Comfortable Remote Control*: Thanks to the stable coverage range of up to 10 meters, you can move freely with your phone inside the room or car and change tracks without being restricted by short cables.  
- *Compact Size & Built-In Protective Cap*: The adapter has an ultra-small design that takes up no space, and comes with a clear cap to protect the USB interface from dust and scratches during travel, ensuring a longer lifespan.