Still using a traditional landline? It’s time for an upgrade! Wires can be annoying, and holding a phone for long calls is frustrating. A Bluetooth adapter changes the game by making your landline wireless, letting you use headsets, speakers, or even connect to mobile devices.

But with so many choices, which one is right for you? We’ve done the hard work and found the five best Bluetooth adapters that will give your landline a modern, hands-free experience. Let’s check them out!

1. Avantree Relay Premium Airplane Bluetooth 5.3 Adapter

The Avantree Relay is a versatile Bluetooth adapter designed to transmit audio from devices with a 3.5mm AUX output, such as airplane entertainment systems, TVs, and gym equipment, to Bluetooth headphones. It supports dual Bluetooth connections, allowing two users to listen simultaneously.

For landline phones, compatibility depends on whether the phone has a 3.5mm audio output. If it does, the Avantree Relay can enable wireless headset use. However, since most traditional landlines lack this feature, its use with them is limited.

Price: $39.99

Key Features:

  •  Works with Any Device: Connects to any device with an AUX output, like airplanes, TVs, and gym equipment. Works with all Bluetooth headphones and earbuds, including AirPods Pro 2.
  • High-Quality Sound: Supports aptX-Adaptive for clear, high-quality audio when paired with compatible devices. Uses Bluetooth 5.3 for a stable, reliable connection.
  •  Connect Two Devices: Easily pair two Bluetooth headphones at once and share audio with a friend.
  • Long Battery Life:  Enjoy up to 20 hours of playtime, perfect for long flights or extended use.
  •  Easy Controls: Adjust volume, pair devices, clear pairing history, and check battery level with built-in controls and LED indicators.
  • Trusted Brand: Avantree has 20+ years of experience in Bluetooth technology, using premium Qualcomm chipsets for strong connections and top-quality sound.

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2. TP-Link USB Bluetooth Adapter (UB500)

Best for Simple Plug-and-Play Setup

TP-Link USB Bluetooth adapter tiny but powerful adapter is perfect for those who want a quick, no-fuss Bluetooth solution. Just plug it into a compatible USB port, and it instantly connects your landline to Bluetooth headsets or speakers.

Price: $10.99 

Key Features:

  • Latest Bluetooth 5.3 Technology: Supports Bluetooth 5.3 with EDR, ensuring faster speeds and wider coverage than older versions. Also backward compatible with Bluetooth 4.2, 4.0, and earlier.
  • Instant Bluetooth for PCs: Converts any non-Bluetooth desktop or laptop into a Bluetooth-enabled device for seamless wireless connections.
  • Faster & Stronger Connection:  Delivers twice the speed and four times the range of Bluetooth 4.0, making it ideal for stable audio, file transfers, and gaming accessories.
  • Compact & Easy to Use:  Plug-and-play design with a tiny nano size that stays discreetly in your laptop’s USB port.

3. ASUS USB Bluetooth Adapter Fast & Reliable Wireless Connectivity

The ASUS USB Bluetooth Adapter is a compact and efficient device designed to upgrade your PC or laptop with Bluetooth connectivity. Whether you’re connecting wireless headphones, speakers, or other Bluetooth devices, this adapter ensures a stable and seamless experience. With Bluetooth 5.0 technology, it provides faster speeds, extended range, and lower power consumption, making it an excellent choice for hassle-free wireless communication.

Price: $17.99

Key Features:

  • Bluetooth 5.0 for Speed & Range:  Transfers data twice as fast with 4x the range compared to older versions.
  • Seamless Wireless Connection:  Easily connects your laptop, desktop, headphones, or speakers without cables.
  • Wide Compatibility:  Works with Bluetooth 2.1, 3.x, and 4.x devices, ensuring smooth performance.
  • Energy Efficient:  Uses Bluetooth Low Energy (BLE) to reduce power consumption.
  • Compact & Portable: Ultra-small design makes it easy to carry and keeps your USB port clutter free.

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4. UGREEN Bluetooth Car Adapter Upgrade Your Car’s Audio Wirelessly

The UGREEN Bluetooth Car Adapter is a must-have gadget for those who want to add Bluetooth functionality to their car, home stereo, or speakers. If your car doesn’t have built-in Bluetooth, this adapter lets you stream music and take hands-free calls without hassle. With Bluetooth 5.3, it ensures a strong, stable connection and high-quality sound for an enhanced audio experience.

Price: $13.99

Key Features:

  • Bluetooth Connectivity: Converts non-Bluetooth car and home audio systems into wireless devices.
  • Crystal-Clear Sound: Equipped with Bluetooth 5.3 for stable, lag-free music and calls.
  • Hands-Free Calling: Built-in microphone allows you to take calls safely through your car’s speakers.
  • Plug & Play: Just plug into the AUX port, power via USB, and it auto-connects to your phone.
  • Multi-Device Pairing: Can remember up to five devices and supports two devices simultaneously.
  • Durable & Compact: Zinc alloy connectors and a flexible TPE cable for long-lasting use.
  • No Charging Needed: Powered via USB, so there’s no need for frequent recharging.

This lightweight, portable adapter is the perfect solution for upgrading your car’s audio system without replacing it!

5. LAICOMEIN Bluetooth AUX Receiver

Turn your old car or home audio system into a wireless setup with the LAICOMEIN Bluetooth AUX receiver. It lets you stream music and take hands-free calls with ease. Featuring Bluetooth 5.3, it ensures a strong, stable connection and supports pairing with two devices at once. The compact design makes it easy to carry, while the long battery life and fast charging keep it ready to use anytime.

Price: $16.99

Key Features:

  • Converts AUX devices to Bluetooth
  • Hands-free calling with built-in microphone
  • Strong and stable Bluetooth 5.3 connection
  • Connects to two devices at the same time
  • Up to 16 hours of battery life, quick charging
  • Lightweight and travel-friendly

Final Thoughts

The addition of a Bluetooth adapter to your setup is a great way to upgrade your audio systems, on landline, car, or home. Using small devices, you can answer calls hands-free while wireless music streaming just becomes hassle-free.

1. Avantree Relay: Great choice for dual-connectivity and crystal-clear audio.

2. TP-Link UB500: Easy plug-and-play.

3. ASUS USB Bluetooth Adapter: Fast stable wireless performance.

4. Want to transform your car into an oasis for hands-free calling and music? UGREEN Bluetooth Adapter is the right pick.

5. LAICOMEIN Bluetooth AUX Receiver: A great pick for battery durability and portability.

Whichever one you choose, a Bluetooth adapter means you can now go wirelessly and be effortlessly connected!

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