Can this device be used with the amazon echo dot?

I am using it with an Echo & it works fine

Can this device be used to connect to my hi-fi system so i can play music from my laptop or tablet ?

I have it connected to my HiFi with RCA cables and Bluetooth my phone into it. I charge via USB when necessary rather than using a power adapter. You need to increase the volume on your source to get a reasonable level - after that, you can use your amp volume

I have just received mine and it will not pair with either my bose ae2 headphones or bose soundlink speaker, just stays in pairing mode (flashing)?

Read the description. It's a Bluetooth RECEIVER, not a transmitter. There is no logic in pairing Bluetooth headphones or speakers with it. It's function is to pair with a Bluetooth transmitter, e.g. a phone, so you can then plug in wired headphones or wired speakers, or wired hi-fi.

Will this transmit from rca to mobile phone, or does it only work the other way round?

hi dear customer, this will only works from Mobile phone/Tablet/Laptop to the Receiver connected to speakers with RCA cables.

Ugreen Bluetooth 5 3 Receiver For Hi Fi 3 5mm

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 39.57

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Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your sound game—wireless freedom meets studio-grade clarity!

DUAL DEVICE PAIRING - Simultaneously connect two Bluetooth devices and switch seamlessly—because multitasking your playlists just got smarter.
EXTENDED WIRELESS RANGE - Move freely up to 10 meters (32 ft.) without losing connection—perfect for dynamic workspaces or living rooms.
UNIVERSAL COMPATIBILITY - Connect effortlessly to any audio setup via 3.5mm Aux or RCA ports—perfect for your home studio or premium speakers.
SEAMLESS HI FI STREAMING - Experience crystal-clear, low-latency audio with cutting-edge Bluetooth 5.3 technology for flawless wireless sound.
ALL DAY LISTENING FREEDOM - Enjoy up to 8 hours of uninterrupted music with a quick 2-hour USB-C recharge—stay powered through your busiest days.

The UGREEN Bluetooth 5.3 Receiver transforms any audio system with advanced low-latency wireless streaming, supporting both 3.5mm Aux and RCA connections. With an 8-hour battery life, quick USB-C charging, and a 10-meter range, it offers versatile, high-fidelity audio for professionals and audiophiles alike. Dual-device pairing enhances multitasking, making it a must-have for seamless, premium sound experiences.

Specifications

ASIN	B01J5DYWTW
Audio Input	3.5mm AUX, RCA
Audio Output Mode	Stereo
Audio Output Type	RCA, 3.5mm aux
Best Sellers Rank	3,677 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 4 in AV Receivers & Amplifiers
Bluetooth support?	Yes
Box Contents	Aux Cable
Brand Name	UGREEN
Colour	Black
Compatibility Options	Bluetooth-enabled devices
Compatible Devices	Smartphone, Personal Computer, Amplifier, Speaker
Connectivity Technology	RCA, 3.5mm Jack, Bluetooth
Connector Type Used on Cable	RCA
Control Method	Voice
Controller Type	Voice Control, iPadOS
Country of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (1,436)
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Hardware Interface	Bluetooth 5
Includes Remote	No
Installation Type	wired and wireless
Item Dimensions L x W x H	5.4L x 5.4W x 1.4H centimetres
Item Weight	4.7 Ounces
Lithium Battery Energy Content	0.74 Watt Hours
Lithium Battery Weight	5 Grams
Manufacturer	Ugreen Group Limitied
Media Types	bluetooth
Number of Batteries	1 Lithium Polymer batteries required.
Number of Channels	2
Number of Lithium-ion Cells	1
Power Source	Battery Powered
Product Features	Bluetooth 5.3: The advanced Bluetooth 5.3 technology provides a reliable, low-latency wireless connection, ensuring superior audio quality
Product Warranty	2 year manufacturer
Rechargeable Battery Included	Yes
Supported Application	Spotify, YouTube, Apple Music, MP3, AAC, other Bluetooth audio applications
Supported Standards	Bluetooth
Wireless Compability	Bluetooth

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