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Ugreen BT503 2-in-1 Bluetooth 5.3 Transmitter and Receiver - aptX Adaptive/HD (TX), LED Display, Up to 32h Battery, 3.5mm AUX, Dual Headphone Support
Make older audio gear wireless and upgrade travel listening in one compact device. The UGREEN BT503 is a 2-in-1 Bluetooth adapter that works as both a transmitter (TX) and a receiver (RX). In TX mode, it connects to devices with a 3.5mm output like airplane entertainment systems, TVs, and laptops, then sends audio to your wireless headphones - ideal for travel and late-night viewing. In RX mode, it adds Bluetooth to non-Bluetooth equipment like car stereos and older speakers, letting you stream music from a phone or computer without cable clutter.
For smoother viewing and gaming, BT503 supports aptX Adaptive/HD in TX mode (compatible headphones required), helping reduce delay and improve detail. A clear LED display shows connection status and device info to make pairing easier, and the built-in microphone allows hands-free calls when used in receiver mode with your phone. With long battery life up to 32 hours (RX up to 32h, TX up to 28h) and a stable wireless range up to 10m, it is a practical travel and home essential.
Key Features and Specifications
- 2-in-1 adapter: TX mode (transmitter) + RX mode (receiver)
- Bluetooth 5.3 for stable connection and efficient power use
- 3.5mm AUX connection for broad compatibility (airplane, TV, car, speakers)
- Dual headphone support for sharing audio with a second pair (for example 2 AirPods)
- Audio enhancement: aptX Adaptive/HD supported in TX mode (compatible headphones required)
- Long battery life: RX up to 32h, TX up to 28h (usage dependent)
- LED display shows pairing status, device name, and connection info
- Built-in microphone for taking calls when connected to a phone (receiver use)
- Wireless range up to 10m for flexible movement at home or office
Ideal Examples of Usage
- Flying: connect to airplane screens via 3.5mm and use your own wireless earbuds
- TV watching: transmit audio to Bluetooth headphones for quiet late-night viewing
- Sharing audio: watch a film with two people using two pairs of earbuds
- Car audio upgrade: add Bluetooth streaming to an older car stereo through AUX
- Home speakers: turn a non-Bluetooth speaker into a wireless speaker for phone music
- Office use: move around while keeping stable audio for videos, podcasts, or calls
Why This Product Is Perfect to Buy
BT503 is ideal if you want one device that covers both travel and home audio needs. TX mode makes airplanes and older TVs headphone-friendly without cables, while RX mode upgrades cars and speakers that do not have Bluetooth. The LED display reduces pairing frustration, dual headphone support is great for couples, and the long battery life means you can use it all day without constantly recharging.
Interesting Facts About TX vs RX Bluetooth Adapters
Transmitters send audio from a wired source to Bluetooth headphones, which is why they are popular for flights and TVs. Receivers do the opposite: they accept Bluetooth audio from a phone and feed it into wired speakers or car stereos. Codec support like aptX can improve perceived sync and detail, but it only works when both the adapter and the headphones support the same codec.
Packing: Euroblister
EAN: 6941876244928
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