Logitech BT audio adapter

Logitech Bluetooth audio receiver. Host interface: 3.5 mm, Transmission distance: 20 m, Product colour: Black. Power source: AC. Width: 50.8 mm, Depth: 57.1 mm, Height: 22.3 mm. Cables included: RCA, Packaging content: - Bluetooth audio adapter - RCA to 3.5 mm cable - Power cable - User documentation. Master (outer) case width: 123 mm, Master (outer) case length: 223 mm, Master (outer) case height: 174 mm

https://www.logitech.com/

Make your speakers Bluetooth*. The Logitech Bluetooth® Audio Adapter gives you everything you need to turn your favorite speakers into a wireless sound system for your smartphone and tablet. Multipoint Bluetooth connectivity lets you pair two devices simultaneously, and stream audio from either one — with a reliable connection from up to 20 meters (66 feet) away — to most powered speakers with standard analog RCA or 3.5 mm connections. Pairing your devices is as easy as pressing a button, and automatic re-pairing makes streaming hassle free. And you never have to compromise on sound, because the Bluetooth Speaker Adapter is tuned at Logitech’s state-of-the-art labs to deliver high-quality acoustics.
* Works with powered speakers with a 3.5 mm or RCA connection—PC speakers, home stereo system, or A/V receivers.

• Multipoint Bluetooth® connectivity. Simultaneously pair your smartphone and your tablet—and stream stereo audio from either one.
• Convenient, 1-push pairing button. Connecting your smartphone and tablet is quick and easy. Just press the pairing button and you’re good to go. You'll enjoy the convenience of lightning-fast, automatic re-pairing.
• Works with most speakers (3.5 mm/RCA). You have the flexibility to use PC speakers, home stereo systems and A/V receivers. Just attach the Bluetooth Audio Adapter to your powered speakers using standard analogue RCA or 3.5 mm jacks.
• Superior acoustics. Don’t compromise on sound. The Bluetooth Speaker Receiver is tuned at the state-of-the-art Logitech labs to deliver high-quality acoustics.
• 15-metre range. Stream and control your music with a reliable line-of-sight connection from up to 15 metres (50 feet) away.