Product Description
ASUS USB-BT540: Compact Power, Seamless Connection.
The ASUS USB-BT540 is the perfect "plug-and-forget" solution for adding high-performance Bluetooth 5.4 to any computer. Designed for portability, its ultra-small nano form factor ensures it stays unobtrusive while providing robust wireless capabilities. Whether you are connecting a gaming controller, wireless mouse, keyboard, or headset, this adapter manages everything with ease.
Beyond simple pairing, the USB-BT540 is engineered for modern audio and power efficiency. It supports Bluetooth Low Energy (BLE) to keep your peripherals running longer and utilizes the advanced LC3 audio codec, providing higher sound quality at lower bitrates. With Auracast support, you can even broadcast audio to multiple compatible listeners simultaneously, making it ideal for shared listening experiences.
Key Features:
Latest Bluetooth 5.4 Standard: Delivers enhanced stability, faster connection times, and improved security over older standards.
Multi-Device Hub: Connect and manage up to 7 Bluetooth devices simultaneously through a single USB port.
Auracast & LC3 Audio: Supports next-gen audio sharing and high-quality, energy-efficient sound via the LC3 codec.
Ultra-Compact Design: Weighing just 1.9 grams, it is designed to be left in your laptop port without the risk of snagging or breaking.
Broad Compatibility: Works seamlessly with Windows 10/11 and Linux environments with plug-and-play convenience.
Technical Specifications
| Category | Specification Details |
| Bluetooth Version | 5.4 (Classic BDR/EDR + Low Energy) |
| Interface | USB 2.0 Type-A |
| Data Rate | Up to 3 Mbps (Classic) / 2 Mbps (BLE) |
| Max Range | Up to 10m (Classic) / Up to 40m (BLE, open space) |
| Frequency Band | 2402 – 2480 MHz |
| Audio Codecs | SBC, LC3 |
| OS Support | Windows 10, 11 / Linux |
| Dimensions | 14.9 x 17.4 x 7.1 mm |
| Weight | 1.9 g |