Bluetooth 5.4 Transmitter & Receiver for Headphones | HD Audio | 3.5mm AUX Wireless Adapter for Airplane Travel, TV, Car, Gym & Home Stereo
Price: $15.99
(as of Jan 14, 2026 00:25:51 UTC – Details)
From the brand
Innovative Audio Design
Pioneering Refined Audio Experiences
Global Team of Innovators
KO-STAR headphones capture today’s youthful energy—favored by Gen Z and millennials for their style and genuine sound, and respected by broadcasters, podcasters, and engineers for their precision and reliability. This broad appeal reflects our commitment to premium audio that fuels creativity on the go or on air. With relentless innovation and quality, KO-STAR is redefining personal audio. Join us as we push the boundaries of sound.
Desktop PC Microphone
Bluetooth wireless earbuds
Bluetooth wireless earbuds
【2-in-1 Bluetooth Transmitter & Receiver】This adapter seamlessly switches between transmitter and receiver modes, turning any non-Bluetooth device into a wireless audio hub. In transmitter mode, it streams audio from your TV, MP3 player, or in-flight entertainment system to Bluetooth headphones or speakers. In receiver mode, it plays audio from your smartphone or tablet through any stereo or car audio system. The plug-and-play design requires no additional software or drivers, making setup instantaneous and hassle-free.
【Seamless Wireless Connectivity】Equipped with Bluetooth 5.4, our device offers ultra-stable, low-latency wireless connections. It quickly pairs with any Bluetooth headphones, earbuds, or speakers (AirPods, bluetooth headset) at the press of a button, and remembers them for instant reconnection. The single-device pairing focus ensures full bandwidth is dedicated to one connection, delivering rock-solid signal strength and uninterrupted audio playback even in crowded wireless environments.
【Ultra-High-Quality Sound】Delivers CD-quality audio for a truly immersive listening experience. it streams near-lossless sound with sharp clarity and depth. Enjoy crystal-clear music, movies, and gaming with virtually no lag or distortion thanks to Bluetooth 5.4’s high bandwidth and adaptive frequency-hopping technology. Its optimized single-connection design minimizes interference so every note and beat are pristine – perfect for audiophiles on the go.
【Compact & Travel-Friendly Design】The minimalist plastic housing is durable yet ultralight, with a sleek profile. Integrated cable-storage grooves keep your AUX cables neatly stowed away, eliminating tangles and clutter. Ultra-portable and stylish, this adapter tucks easily into a pocket or carry-on bag — making it the perfect travel companion for long flights, road trips, or home entertainment.
【User-Friendly Operation & Long-Lasting Battery】Pairing and operation are extremely user-friendly. Simply press and hold the power button to enter pairing mode, with intuitive LED indicators keeping you informed of status. The device automatically reconnects to the last paired gadget whenever it’s powered on. A quick 1.5-hour USB-C charge delivers up to 12 hours of continuous playtime, so it easily lasts through extended flights and movie marathons. No extra adapters or accessories are needed – just charge, pair, and enjoy wireless audio all day long.
