4.0 Bluetooth adapter, USB Bluetooth receiver, computer CSR 4.0 audio transmitter, win8/10/11 driver, free of charge, suitable for desktops, laptops, mice, keyboards, printers, headphones, speakers, c

Highlights

• Adopting BR chip, complying with Bluetooth 4.0 technical specifications.
• Transmission distance: 20m long transmission distance (no barrier), strong signal.
• Transmission rate: 3Mbps, providing high-speed file and audio data transmission.
• Low latency fast link, intelligent sleep wake-up, energy-saving, 24 bit CRC verification to resist interference, adaptive frequency hopping to reduce crosstalk.
• Fully backward compatible with Bluetooth 2.0, Bluetooth 2.1, and Bluetooth 3.0 specifications.
• The USB2.0 interface is more versatile, making it portable and mini in size.
• Function: Connect Bluetooth speakers, keyboard, mouse, joystick, etc., file transfer
• Suitable for Windows systems. Not applicable to all IOS devices, including Mac, iPad, and iPhone