Astrum BT300 Bluetooth 5.3 Audio Transceiver
Brand: Astrum
SKU: A85030-B
Manufacturer Product Code: BT300
Product Overview
The Astrum BT300 Bluetooth Transceiver is a versatile 2‑in‑1 transmitter and receiver that brings wireless freedom to any audio setup.
With Bluetooth 5.3, dual pairing, and multi‑device support, it allows you to stream audio from TVs, laptops, or consoles to Bluetooth headphones in TX mode, or receive music from smartphones to wired speakers in RX mode.
Its RGB display with knob interface provides real‑time status updates and precise volume control, while the built‑in mic enables hands‑free calling.
Compact and portable, the BT300 delivers up to 13 hours of playtime with USB‑C fast charging, making it ideal for home, travel, or car use.
Key Features
Dual mode: transmit & receive wireless audio
Connect two devices simultaneously in TX mode
Multi‑device pairing with easy switching
USB‑C fast charging with up to 13h playtime
Hands‑free microphone for calls
3.5mm AUX and TF card input (up to 64GB)
RGB lighting and digital display for clear status updates
Compact, portable design with zinc alloy finish
High‑res audio decoding: MP3 / WMA / WAV / FLAC
Technical Specifications
Bluetooth Version: 5.3 (range up to 10m)
Supported Formats: MP3 / WMA / WAV / FLAC
Input Voltage: 5V DC
Charging Time: ~2 hours (USB‑C)
Working Time: RX – 11h / TX – 13h
Dimensions: 45 × 45 × 16mm
Weight: 33g
Input/Output: 3.5mm AUX, TF card (up to 64GB)
Warranty: 12 Months
What’s in the Box
1 × Astrum BT300 Bluetooth Transceiver
1 × User Manual