BASEUS BA04 Bluetooth Adapter and USB Dongle

Upgrade your entire workspace to wireless in seconds with the BASEUS BA04 Bluetooth 5.1 USB Adapter. Built with a premium aluminium alloy and ABS construction and featuring an external antenna for enhanced signal strength, it delivers stable, lag-free wireless connectivity up to 20 metres — through walls and across entire rooms. Connecting up to 7 devices simultaneously via USB 3.0, it supports keyboards, mice, speakers, earphones, gamepads, phones, and laptops with zero driver installation required. Compatible with Windows XP/7/8/8.1/10/11, CE, FCC, and RoHS certified — the complete wireless upgrade your setup deserves.

• Bluetooth 5.1 Technology: Fast, stable, and efficient wireless connectivity with the latest Bluetooth 5.1 standard.
• 20-Metre Barrier-Free Range: External antenna delivers enhanced signal strength for whole-room wireless coverage.
• Connect 7 Devices Simultaneously: Pair up to 7 Bluetooth devices at once without switching or disconnecting anything.
• USB 3.0 Interface: High-speed USB 3.0 connection ensures rapid data transfer and instant file sharing between devices.
• Plug and Play: Completely driver-free — plug into any USB port and connect wirelessly in seconds with no setup.
• Auto Memory Pairing: Automatically reconnects to previously paired devices on startup — no re-pairing ever needed.
• Backwards Compatible: Supports Bluetooth 4.0, 4.1, 4.2, and 5.0 devices for universal wireless compatibility.
• Wide Protocol Support: Compatible with A2DP, H2DP, HSP, AVRCP, and HID protocols for versatile device support.
• Premium Build Quality: Durable aluminium alloy and ABS construction with LED indicator for clear connection status.
• Broad OS Compatibility: Fully supports Windows XP, 7, 8, 8.1, 10, and 11 straight out of the box.

The BASEUS BA04 is the definitive wireless upgrade for any Windows PC or laptop. With 20-metre barrier-free range, seven simultaneous device connections, auto memory pairing, and a premium aluminium build, it outperforms standard Bluetooth dongles at every turn. Whether you're building a wire-free workspace, enjoying CD-quality audio through Bluetooth earphones, or gaming with a wireless gamepad — the BA04 handles it all without a single driver installation.

• Brand: BASEUS
• Model: BA04
• Material: Aluminium Alloy + ABS
• Colour: Black
• USB Interface: USB 3.0
• Bluetooth Version: 5.1
• Backwards Compatibility: Bluetooth 4.0, 4.1, 4.2, 5.0
• Supported Protocols: A2DP, H2DP, HSP, AVRCP, HID
• Transmission Distance: Up to 20 metres
• Antenna Type: External — enhanced signal strength
• Simultaneous Connections: Up to 7 devices
• Driver Required: No — plug and play
• Auto Memory Pairing: Yes — auto-reconnects on startup
• LED Indicator: Yes — blue light confirms active connection
• Compatible Devices: Keyboard, mouse, speaker, earphones, gamepad, phone, laptop
• Operating System: Windows XP / 7 / 8 / 8.1 / 10 / 11
• Certifications: CE, FCC, RoHS
• Origin: Mainland China