The ASUS USB-BT540 is an external network adapter that enhances connectivity with Bluetooth 5.4 technology. This device supports various line coding formats, including GFSK, 4 DQPSK, and 8 DPSK, allowing for stable connections. With a maximum range of 40 m in open spaces, it ensures reliable performance for wireless devices. Designed to connect via a USB 2.0 interface, this compact adapter is perfect for users looking to connect devices effortlessly.
The ASUS USB-BT540 is an external network adapter that enhances connectivity with Bluetooth 5.4 technology. This device supports various line coding formats, including GFSK, 4 DQPSK, and 8 DPSK, allowing for stable connections. With a maximum range of 40 m in open spaces, it ensures reliable performance for wireless devices. Designed to connect via a USB 2.0 interface, this compact adapter is perfect for users looking to connect devices effortlessly.
in 4 offers
The lowest price for ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter Compatible with Windows 11, 10, 8.1, Linux, Up to 7 Devices, for PC and Laptop, Plug & Play, BLE right now is $26.68, compared across 4 retailers.
ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter Compatible with Windows 11, 10, 8.1, Linux, Up to 7 Devices, for PC and Laptop, Plug & Play, BLE
The ASUS USB-BT540 is an external network adapter that enhances connectivity with Bluetooth 5.4 technology. This device supports various line coding formats, including GFSK, 4 DQPSK, and 8 DPSK, allowing for stable connections. With a maximum range of 40 m in open spaces, it ensures reliable performance for wireless devices. Designed to connect via a USB 2.0 interface, this compact adapter is perfect for users looking to connect devices effortlessly.
The ASUS USB-BT540 is an external network adapter that enhances connectivity with Bluetooth 5.4 technology. This device supports various line coding formats, including GFSK, 4 DQPSK, and 8 DPSK, allowing for stable connections. With a maximum range of 40 m in open spaces, it ensures reliable performance for wireless devices. Designed to connect via a USB 2.0 interface, this compact adapter is perfect for users looking to connect devices effortlessly.
The all-time low was $25.57 on 29 Apr 2026 — today's price is 4% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 7 Oct 2026.
Last updated at 07/10/2026 12:47:17
ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter Compatible with Windows 11, 10, 8.1, Linux, Up to 7 Devices, for PC and Laptop, Plug & Play, BLE
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
ASUS USB-BT540 Bluetooth
Delivery $5.04
ASUS USB-BT540 Bluetooth 5.4 USB Dongle Adapter (LE Audio, up to 7 Devices) Ultra-Compact Plug & Play for Windows 11/10/8.1
Delivery $8.95
ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter
Delivery between 12–16 Oct $41
| Interface Type | USB |
| Ports and Interfaces | USB 2.0 Type A |
| USB Standard | USB 2.0 |
| Wireless Protocol | Bluetooth 5.4 |
| Wireless Type | Bluetooth |
ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter Compatible with Windows 11, 10, 8.1, Linux, Up to 7 Devices, for PC and Laptop, Plug & Play, BLE
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
ASUS USB-BT540 Bluetooth
Delivery $5.04
ASUS USB-BT540 Bluetooth 5.4 USB Dongle Adapter (LE Audio, up to 7 Devices) Ultra-Compact Plug & Play for Windows 11/10/8.1
Delivery $8.95
ASUS USB-BT540 Bluetooth 5.4 Dongle Adapter
Delivery between 12–16 Oct $41
| Interface Type | USB |
| Ports and Interfaces | USB 2.0 Type A |
| USB Standard | USB 2.0 |
| Wireless Protocol | Bluetooth 5.4 |
| Wireless Type | Bluetooth |
