Can you change which of your 2 bluetooth devices you're are streaming too?

Not automatically no. It’s quite mechanical. You either connect or disconnect a device. If u want to choose which headphones to connect to, you either have to do it from The transmitter (which is not so straight forward), or you will to unpair / turn off the headphones that you dont want to use.

Will this connect to the bose s1, extending the distance? some dj gigs i need a wireless speaker set up.

Two of them as a pair (one in transmit mode and the other in receive mode) have a theoretical line-of-sight transmission distance of 265 ft. So if that is greater than your present Bluetooth limits, and your Bose speakers have standard line-level input jacks, the answer to your question should probably be “yes”. I’m presently using two across opposite ends of a home theater, and the nearly instantaneous “lip-sync” transmission of extremely high-quality stereo audio is truly impressive.

will this connect to a radio with a 3.5 mm headphone jack? . The radio in not bluetooth but I want it to transmit BT

You can use AUX3.5mm to connect the radio and B03Pro+, and then use a Bluetooth headset to pair with B03Pro+ via Bluetooth.

Can this pair with Jabra Elite 75t

Don't know, BUT It will not pair with 4 different bluetooth speakers I own. It will pair with windows laptop and desk top HP. speakers I bought from Amazon (Doss Soundbox XL) Will not pair. 1 out of 5 rate score for me. Amazon sent me a Email or I wouldn't waste my time. But fill my in box and you shall receive. Buy the cheep one, check the Frequency of your device FIRST !!!

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B03Pro Bluetooth 5.3 Transmitter Receiver for TV Home Stereo, Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Volume Control, Dual Link, Optical RCA AUX Outputs/Inputs

B03Pro Bluetooth 5.3 Transmitter Receiver for TV Home Stereo, Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Volume Control, Dual Link, Optical RCA AUX Outputs/Inputs

Product ID: 230544110

Details

Brand
1Mii
Connectivity Technology
Bluetooth
Material
Acrylonitrile
Power Source
Corded

🎧Dual-link for 2 headphones

📶265 ft max Bluetooth range

🔊121dB SNR audiophile DAC

€ 156.07

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your audio game—wireless, flawless, and ready to impress.

PLUG PLAY CONTROL - Easy setup with Optical, RCA, AUX inputs/outputs plus volume control—no tech headaches, just pure sound.
UNMATCHED WIRELESS FREEDOM - Class 1 Bluetooth with dual antennas delivers up to 265 ft outdoor range—cut the cords, not the quality.
FAMILY FRIENDLY MULTI OUTPUT - Simultaneously stream to Bluetooth headphones and wired speakers—perfect for shared or private listening.
AUDIOPHILE GRADE SOUND CLARITY - Experience pristine Hi-Fi audio with SABRE DAC and Qualcomm aptX codecs for lossless, low-latency streaming.
SEAMLESS 2 IN 1 BLUETOOTH MAGIC - Switch effortlessly between transmitter & receiver modes to upgrade any audio setup.

The 1Mii B03Pro Bluetooth 5.3 Transmitter Receiver is a versatile wireless audio adapter featuring a premium SABRE audiophile DAC, aptX Low Latency/HD/Adaptive codecs, and dual-link connectivity. It supports Optical, RCA, and AUX inputs/outputs, enabling seamless streaming from TVs or smartphones to headphones or home stereo systems with up to 265 ft range. Designed for audiophiles and multitaskers alike, it offers simultaneous wired and wireless audio output with easy plug-and-play setup and volume control.

Specifications

ASIN	B08J7MKYN1
Additional Features	Connect 2 wireless headphones or speakers, Optical, 3.5mm AUX, RAC Port, Volume Control, aptX Low Latency/HD/Adaptive, with Extra DAC
Audio Input	Bluetooth, RCA, 3.5mm AUX, Optical
Audio Output Mode	Stereo
Audio Output Type	Headphone, Speaker
Best Sellers Rank	#20,942 in Electronics ( See Top 100 in Electronics ) #108 in Wireless Audio Receivers & Adapters
Bluetooth support?	Yes
Brand	1Mii
Built-In Media	1Mii B03Pro Bluetooth Transmitter Receiver, 3.5mm AUX, RCA to 3.5mm AUX, Optical Audio Cable, USB Power Adapter and USB Power Cable, User Manual
Color	Black1
Compatibility Options	Receiver Mode: Stream music from your smartphone, tablet, laptop, or PC to a wired stereo system, soundbar, powered speakers, or other home audio equipment., Transmitter Mode: Stream audio wirelessly from your TV, PC, DVD/Blu-ray player, or game console to Bluetooth headphones, Bluetooth speakers, or a Bluetooth soundbar.
Compatible Devices	Amplifier, Headphone, Speaker, Personal Computer, Tablet, Tablet, Smartphone, Television
Connectivity Technology	Bluetooth
Connector Type Used on Cable	RCA
Control Method	Push Button
Controller Type	Button Control
Customer Reviews	4.2 4.2 out of 5 stars (1,106)
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Hardware Interface	Bluetooth
Includes Remote	No
Installation Type	External
Item Dimensions L x W x H	3.8"L x 2.9"W x 0.9"H
Manufacturer	1Mii
Model Name	B03Pro
Number of Channels	2
Number of Ports	5
Outer Material	Plastic
Power Source	Corded Electric
Rechargeable Battery Included	No
Supported Application	Any audio application
Supported Media Type	Bluetooth
Supported Standards	Bluetooth 5.3, aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC, and SBC
Unit Count	1.0 Count
Warranty Description	12 Months
Wireless Compability	Bluetooth

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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€ 156.07

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews