UGREEN 55545 BT505 3.5mm 2RCA Bluetooth Receiver Audio Adapter
The UGREEN BT505 3.5mm 2RCA Bluetooth Receiver Audio Adapter is made for adding Bluetooth audio to wired speakers, home stereos, amplifiers, and car audio systems. If you are checking the UGREEN BT505 price in Sri Lanka, this receiver is a good choice for users who want wireless music without replacing their existing sound system.
This adapter supports both 3.5mm AUX and 2RCA audio output. Therefore, you can connect it to many speaker systems, vintage amplifiers, active speakers, and home audio setups that support AUX or RCA input.
With Bluetooth 6.0 support, the UGREEN BT505 gives stable wireless audio from compatible phones, tablets, laptops, and other Bluetooth devices. It also supports LDAC, AAC, and SBC audio codecs for better wireless sound quality on supported devices.
The built-in rechargeable battery gives up to 15 hours of playback, depending on volume, codec, and usage conditions. It also charges through USB-C, making it easy to power for daily use.
Buy the UGREEN BT505 3.5mm 2RCA Bluetooth Receiver Audio Adapter online from ido.lk with islandwide delivery in Sri Lanka.
Key Features
- Bluetooth Receiver: Adds wireless audio to wired speakers and amplifiers.
- 3.5mm + 2RCA Output: Works with AUX and RCA audio input systems.
- Bluetooth 6.0: Stable wireless connection for compatible devices.
- LDAC Hi-Res Support: Better audio quality on supported devices.
- Dual Device Pairing: Connect two source devices for easier switching.
- 15H Playtime: Rechargeable battery for long listening sessions.
- USB-C Charging: Easy charging with modern USB-C input.
Technical Specifications
| Brand | UGREEN |
| Model | BT505 / 55545 |
| Product Type | Bluetooth Receiver Audio Adapter |
| Bluetooth Version | Bluetooth 6.0 |
| Audio Codecs | LDAC, AAC, SBC |
| Audio Output | 3.5mm AUX, 2RCA Left / Right |
| Frequency Response | 20Hz-40kHz |
| Battery Life | Up to 15 Hours |
| Battery Capacity | 300mAh Internal Battery |
| Charging Port | USB Type-C |
| Wireless Range | Up to 10m, line of sight |
Package Includes
- 1 x UGREEN BT505 Bluetooth Receiver Audio Adapter
- 1 x USB-A to USB-C Charging Cable
- 1 x User Manual
FAQ
Can the UGREEN BT505 transmit audio to Bluetooth headphones?
No. This device works as a Bluetooth receiver. It receives audio from a phone, tablet, or laptop and sends it to wired speakers or amplifiers through AUX or RCA.
Can I use this with an old amplifier?
Yes. You can connect it to compatible amplifiers or home stereo systems using 3.5mm AUX or 2RCA audio input.
Does the UGREEN BT505 support LDAC?
Yes. It supports LDAC, AAC, and SBC audio codecs. LDAC works only when your source device also supports LDAC.
How long does the battery last?
The battery can last up to 15 hours, depending on volume level, codec, connection quality, and usage conditions.

















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