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Bluetooth 5.4 Transmitter Receiver 3 in 1 20H Playtime Digital Display AUX 3.5mm For Sale

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Bluetooth 5.4 Transmitter Receiver 3 in 1 20H Playtime Digital Display AUX 3.5mm

Price: US $14.19

Description🔊 Bluetooth 5.4 Transmitter & Receiver Adapter | 20H Battery | Digital Display | 3-in-1 Audio Solution

Tired of being tethered to your car stereo or old boombox by a short aux cable? Want to add wireless audio to your vintage home theater or finally listen to your gym treadmill videos without holding your phone? This 3-in-1 Bluetooth 5.4 adapter is the ultimate "Swiss Army knife" for your audio needs. Featuring the latest smart chip for a lag-free connection, a clear digital display to track your battery, and a built-in clip for on-the-go convenience, it breathes new life into any wired speaker, car stereo, or pair of headphones.

✅ Key Features

📶 Latest Bluetooth 5.4 Chip — Upgraded for superior stability and faster transmission. Say goodbye to frustrating audio dropouts and lag when you’re streaming music or watching videos.
🔄 3-in-1 Versatility — Why buy three gadgets when one does it all?
- Receive (RX): Stream audio from your phone to older car stereos or wired speakers.
- Transmit (TX): Send audio from your TV or PC to Bluetooth headphones (great for late-night gaming or movies without waking the house).
- TF Card Playback: Plug in a microSD card (up to 32GB) and use the adapter as a standalone MP3 player—perfect for workouts or travel.
🔋 Marathon Battery Life — The 400mAh battery provides up to 20 hours of receiving time and 15 hours of transmitting. That’s enough juice for a full cross-country road trip or a week of daily commutes on a single charge.
📺 Real-Time Digital Display — No more guessing games! The clear screen shows your current mode, connection status, and exact battery percentage at a glance.
🎵 HD Lossless Audio — Engineered for high-fidelity sound. Enjoy crisp highs and deep bass whether you’re jamming in the garage or taking conference calls via the built-in microphone.
📎 Compact & Clip-Ready — At just 63mm tall, it fits in your palm. The integrated back clip lets you attach it to a shirt pocket, backpack strap, or car vent for easy access.

⚙️ Specifications

Bluetooth Version: V5.4
Material: ABS Plastic
Battery Capacity: 400mAh
Receiving Time: ~20 Hours
Transmitting Time: ~15 Hours
Charging Time: ~2 Hours
Charging Interface: Type-C
Input Power: DC 5V/1A
Audio Interface: 3.5mm AUX
Transmission Range: Up to 33ft (10m)
TF Card Support: Up to 32GB (Card Not Included)
Dimensions: 63 x 31 x 23mm

🚗 Where Can You Use It? (Fitment)

This adapter is the perfect bridge between old and new tech:

Automotive: Connect to your car’s aux port to add Bluetooth to any vehicle without a screen.
Home Audio: Modernize your old stereo receiver, boombox, or wired bookshelf speakers.
Personal Audio: Clip it to your shirt and turn your favorite wired headphones into wireless ones.
Computing: Add Bluetooth audio to your Desktop PC or older laptop.
TV & Gym Equipment: Transmit audio from your TV or treadmill to your Bluetooth earbuds.

⚠️ Connection Note: This device requires a standard 3.5mm audio cable connection. Please ensure your source device (TV, Car Stereo, Speaker) has a 3.5mm AUX input/output port.

📦 Package Includes

1 × Bluetooth 5.4 Adapter
1 × 3.5mm Audio Cable
1 × USB-C Charging Cable
1 × User Manual

✅ Why US Buyers Love This

Modernize Your Ride: Don't pay the dealership premium for a new head unit. For a fraction of the cost, you can add reliable Bluetooth to your trusty pickup or commuter car.
Late-Night TV Bliss: Use the TX Mode to send audio from your TV to your Bluetooth headphones. Watch action movies at full volume without disturbing your partner or kids.
Gym-Goer Approved: Clip it to your shirt and play music from a TF card while running on the treadmill—no more bulky phones bouncing in your pocket.
Crystal Clear Calls: The built-in microphone and noise-reduction tech make it easy to take hands-free calls while driving or working at your desk.

👉 Add to cart today and cut the cord on your wired audio hassles!

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We accept PayPal only. If buyer want to delay the payment because of financial problem, please contact me by the message within 3 days

Payment via PayPal (PayPal accepts all major credits/debit cards and eCheque)

ECheque payment will take 3-10 days to get clear, thus DELAYing the shipment.Handling time: 1 business day (Orders are not processed on weekends & holidays)Tracking information will be sent once item is shipped.Local pick-up is unavailable at the moment.For international shipping and shipping to Guam, Hawaii and Alaska, Please contact us before placing the order.Item is shipped to address. Leaving correct address can minimize delay.

For any issues with Defects, Return, Item Exchange request, please contact us first and send us a message first before opening any type of case or request. We devote ourselves making EVERY CUSTOMER in 100% Satisfactory and resolve any problem. We highly value and appreciate your business. Thank you.No returns will be accepted without an RMA number. Please contact us for the RMA number.Return is acceptable within 30 days of delivery.Return for replacement or money back is optional.Returned items must be in the brand new, unaltered and resalable condition.Seller is not responsible for any labor cost, expense in a dealer store, or damage due to wrong installation.

Return is accepted within 14 days after the buyer's receiving the item. (Excluding contrived damagement or misusage).100% money-back Guaranteed!
All product will be tested in 100% before delivery.If the item is defected by the processing of postage,Buyer has up to 14 days from date of receipt for
exchange of a new one.All shipping charges for returned products are to be paid by the buyer,Please contact us for the return address

All messages will be answered within 24 office hours.

Please contact us either by clicking "contact seller" in the "purchase history" section or simply click "ask a question" at the bottom of this page.

If you are unsatisfied with our item or service, please contact us before leaving any response. We are committed to resolve all issues in a friendly and satisfactory manner. We always reply to messages within 2 business days (off-duty at weekend). If you do not get a response from us, then please check your junk or spam mailbox.

Payment via PayPal (PayPal accepts all major credits/debit cards and eCheque)

ECheque payment will take 3-10 days to get clear, thus DELAYing the shipment.ShippingHandling time: 1 business day (Orders are not processed on weekends & holidays)Tracking information will be sent once item is shipped.Local pick-up is unavailable at the moment.For international shipping and shipping to Guam, Hawaii and Alaska, Please contact us before placing the order.Item is shipped to address. Leaving correct address can minimize delay.

TermsFor any issues with Defects, Return, Item Exchange request, please contact us first and send us a message first before opening any type of case or request. We devote ourselves making EVERY CUSTOMER in 100% Satisfactory and resolve any problem. We highly value and appreciate your business. Thank you.No returns will be accepted without an RMA number. Please contact us for the RMA number.Return is acceptable within 30 days of delivery.Return for replacement or money back is optional.Returned items must be in the brand new, unaltered and resalable condition.Seller is not responsible for any labor cost, expense in a dealer store, or damage due to wrong installation.Returns

All messages will be answered within 24 office hours.

Please contact us either by clicking "contact seller" in the "purchase history" section or simply click "ask a question" at the bottom of this page.