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Bluetooth 5.4 Transmitter Receiver, 2-in-1 Wireless Audio Adapter with Dual Link for 2 Headphones, 3.5mm Aux Jack for TV, Airplane, Car, PC, Gym, Home Stereo, Nintendo Switch
✅ In stock
D
Grade
Analysis Confidence
100%
Price verified Sep 5, 2026 5:47 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 54% — a steep markdown from the official listing.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
3.26/28
Recent Value
2.86/22
Market Standing
9.81/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
KO-STAR
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Latest Bluetooth 5.4 Technology: Equipped with the advanced Bluetooth V5.4 chip, this adapter provides a more stable connection and faster auto connectionand signal transmission. It ensures CD-level high-fidelity stereo sound quality and powerful decoding, offering an immersive, lag-free audio experience for all your devices.
✓2-in-1 TX & RX Mode for Every Scenario: Easily switch between modes with one button. In Transmitter (TX) mode, add Bluetooth to non-Bluetooth devices like airplanes, gym equipment, TVs, or PCs. In Receiver (RX) mode, instantly upgrade your wired car stereo or home speakers to receive wireless audio from your phone or tablet.
✓Extended Playtime & Dual Pairing: The built-in 280mAh battery supports up to 15 hours of use and supports charging via Type-C while in use. The KTX-02 allows you to pair two Bluetooth headphones or speakers simultaneously in both modes, making it perfect for sharing movies or music with a partner without disturbing others.
✓Low Latency & Hi-Fi Stereo Experience: Featuring advanced decoding technology, it significantly reduces audio lag in TX mode to ensure perfectly synchronized sound and pictures for gaming and TV. In RX mode, it delivers crystal-clear Hi-Fi music, transforming your old wired headphones into a high-performance wireless system.
✓Ultra-Compact & Travel-Ready: Designed with a sleek, mini footprint (28.5 * 58 * 11.7mm) and a convenient lanyard hole, this adapter is built for portability. It saves space in narrow environments like wall-mounted TVs and easily slides into your pocket or laptop bag, making it the ideal companion for travel and on-the-go audio.
⚙️ Specifications
Special Feature
Built-In Microphone, Fast Connection, Noise Cancellation
Brand
Ko-Star
Connectivity Technology
Bluetooth
Power Source
Battery Powered
Material
Plastic
Package Dimensions
4.17 x 2.56 x 0.67 inches
Item Weight
0.634 ounces
ASIN
B0FH9TLM41
Item model number
KTX02
Customer Reviews
3.9
Best Sellers Rank
MP3 Player Bluetooth Transmitters
