M20 Wireless Bluetooth 5.4 Receiver / Transmitter with 3.5mm AUX, TF Card Ports – Black

M20 Wireless Bluetooth 5.4 Receiver / Transmitter with 3.5mm AUX – Lavalier Clip Adapter with TF Card Playback for Car and Home Audio

Upgrade your audio setup with the M20 Wireless Bluetooth 5.4 AUX Adapter. Compact and versatile, this multifunctional device works as both a receiver and transmitter, making it ideal for cars, home stereos, and portable sound systems. With high-definition audio, TF card playback, and long battery life, it ensures a seamless wireless music experience. The built-in display keeps you informed of battery levels and modes, while the lightweight clip design makes it easy to carry anywhere.

Key Features
- Dual Functionality – Works as both a Bluetooth receiver and transmitter for ultimate flexibility.
- Latest Bluetooth 5.4 – Ensures stable, high-quality wireless connections up to 10 m.
- TF Card Playback – Play music directly from a TF card without additional devices.
- Extended Battery Life – 400mAh battery provides up to 20 hours receiving or 15 hours transmitting.
- Real-Time Display – Digital screen shows battery status and mode for easy monitoring.
- Compact & Portable – Clip-on design with lightweight 37.4 g build for use in cars, homes, or travel.

Specifications
- Bluetooth-compatible Version: 5.4
- Connection Range: 10m
- Battery Capacity: 400mAh
- Receiving Time: Approx. 20 hours
- Transmitting Time: Approx. 15 hours
- Interface: 3.5mm AUX
- Input Power: DC 5V/1A
- Charging Time: Approx. 2 hours
- Charging Port: Type-C
- Material: ABS
- Display: Real-time battery/mode display
- Dimensions: 65*32.2*18mm
- Weight: 37.4g (net)
- Functions: Receiving/Transmitting/TF Card Playback

Why This Adapter is Perfect
The M20 is perfect for anyone who wants to modernize older audio systems with wireless connectivity. Whether turning a car stereo into a Bluetooth receiver, streaming music to wired headphones, or using it as a transmitter for home speakers, this compact adapter delivers convenience and quality in one.

Ideal Usage Examples
- In the car: Stream music or calls from your smartphone through the AUX port.
- At home: Pair with wired speakers or amplifiers for wireless playback.
- On the go: Use as a transmitter with headphones or portable speakers.
- Standalone music: Insert a TF card for direct playback without a phone.

Interesting Facts
Bluetooth 5.4 improves energy efficiency and connection stability over earlier versions, making it especially effective for adapters with long battery life. Dual receiver/transmitter devices like the M20 are becoming increasingly popular, as they extend the life of older audio systems by bridging the gap to modern wireless technology.

Packing: Euroblister