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

Brand: Astrum
SKU: A85023-B
Manufacturer Product Code: BT230

Product Overview
The Astrum BT230 2‑in‑1 Bluetooth Transceiver upgrades any wired audio device to wireless freedom.
With TX mode, transmit audio from TVs, laptops, or airplane screens to Bluetooth headphones.
With RX mode, receive music wirelessly on car stereos, speakers, or amplifiers.
Featuring Bluetooth 5.3, dual pairing, USB‑C fast charging, and a built‑in microphone, it’s the ultimate portable audio solution.
The LED display shows connection status, battery, and mode, while the zinc alloy body ensures durability in a sleek, compact design.

Key Features
2‑in‑1 TX/RX mode: transmit or receive Bluetooth audio on any 3.5mm AUX device
Hands‑free calling with built‑in microphone
Fast USB‑C charging: full recharge in 45 minutes
LED display for Bluetooth mode, pairing, and battery status
Dual pairing support for two Bluetooth devices simultaneously
Universal compatibility: TVs, PCs, car stereos, airplane systems, headphones
Compact zinc alloy body, lightweight at only 15g
Long battery life: up to 5.4h in RX mode, 2h in TX mode, 6‑month standby
Easy control buttons for volume, track change, and call handling

Technical Specifications
Wireless BT: V5.3
Bluetooth Range: Up to 10m
Battery Capacity: 120mAh
Charging Time: 45 minutes (USB‑C)
Working Time: RX: 5.4h / TX: 2h
Standby Time: Up to 6 months
Input/Output: 3.5mm AUX
Power Input: Type‑C USB
Material: Zinc Alloy Body
Dimensions: 51.5 × 23 × 13.6 mm
Weight: 15g
Warranty: 12 Months

What’s in the Box
1 × Astrum BT230 Bluetooth Transceiver
1 × USB‑C Charging Cable
1 × User Manual

Brand: Astrum
SKU: A85012-B
Manufacturer Product Code: BT120

Product Overview
The Astrum BT120 Bluetooth Audio Receiver transforms any wired audio system into a wireless setup.
With Bluetooth 5.0 connectivity, it streams music from smartphones, tablets, and laptops directly to car stereos, home speakers, or amplifiers.
Its built‑in rechargeable battery provides up to 10 hours of nonstop music, and it can recharge while in use via micro‑USB.
Compact and portable, the BT120 offers flexibility with its 3.5mm AUX input, making it ideal for headphones, speakers, gaming consoles, and more.

Key Features
Turns home or car stereo systems into Bluetooth‑enabled devices
Wireless audio streaming from any Bluetooth device
3.5mm AUX jack for universal compatibility
Up to 10 hours of continuous playback
Rechargeable battery with 2‑hour recharge time
Supports FTP / OBX / OPP / SPP / A2DP profiles
Compact, portable, and plug‑and‑play design

Technical Specifications
Bluetooth Version: V5.0
Supported Profiles: FTP / OBX / OPP / SPP / A2DP
Input: AUX 3.5mm
Working Time: Up to 10 hours
Recharge Time: ≤ 2 hours
Working Range: Up to 10m
Warranty: 12 Months

What’s in the Box
1 × Astrum BT120 Bluetooth Audio Receiver
1 × Micro‑USB Charging Cable
1 × User Manual