Cutting-Edge Bluetooth Technology: The Eiszuso USB Bluetooth Adapter harnesses the advanced Bluetooth 5.1 + EDR technology, delivering unparalleled interference resistance and stability. It effectively combats transmission efficiency loss in the 2.4 GHz band. | Unmatched Connection Reliability: Equipped with Bluetooth 5.1, the Eiszuso dongle guarantees a robust connection, capable of data transmission at rates up to 3Mbps. With its BLE and dual-mode features, expect swift and efficient data transfers. | Versatile Compatibility: This adapter seamlessly connects to a variety of Bluetooth-enabled devices, including speakers, keyboards, headsets, and mice. It's ideal for wireless music enjoyment and file transfers, leveraging the full potential of your Bluetooth technology. | Sleek, Portable Design: The Eiszuso adapter sports a slim, unobtrusive design, fitting discreetly onto laptops or PCs. Its portability and compactness ensure it won't block adjacent USB ports. | Specific System Support: The Eiszuso adapter is exclusively compatible with Windows 11/10. It's important to note its incompatibility with Windows 8.1/8/7, Mac, Linux, TVs, car stereos, PS4, and Xbox. Driver installation is required, and it maintains backward compatibility with Bluetooth versions 4.2/4.0/3.0/2.1.

High-Speed 4K Upgrade and Full HD: This audio capture card supports up to 4K@60HZ high-definition input with a maximum output resolution of 1920×1080@60Hz. It records videos directly to the hard disk without delay. Suitable for devices with HDMI output such as PS4 and Switch, etc. The USB capture card also supports high-quality recording and live streaming at 1080P 60fps. | Real-time Preview and Screen Sharing: The audio-video capture card can simultaneously capture both HDMI video and audio, transmitting these signals to computers and smartphones for preview and storage. It offers a fast and economical way to share content in conference rooms and online meetings using OBS software. This 4K HDMI capture is extensively used for high-definition acquisition, teaching recordings, imaging, meetings, Facebook portal TV recording, etc. | Plug and Play & Easy to Use: As a portable plug-and-play streaming capture card, it requires no driver installation or external power supply. Easily connect DSLR, camcorder, or action cam link to your PC or Mac for recording. It reproduces high-definition video with delicate colors and vivid imagery. The capture adapter is compact and portable, perfect for both outdoor and indoor live broadcasting. | Benefits & Satisfaction Guarantee: The 4K capture card enables real-time streaming and fun with friends during live gaming thanks to its low-latency technology. Offering 24-hour customer service and a full refund or replacement for free, feel free to contact if not satisfied with this 1080p capture card, and expect a prompt response. | Wide Compatibility: This HDMI video capture uses an advanced chip offering wide compatibility. It supports most acquisition software like VLC, OBS, Amcap, etc.; it's capable of streaming or recording high-definition images from game consoles, meetings, or other videos/audios to your computer via third-party capture software or live broadcasting over the internet. Compatible with Windows, Android, and MacOS, the USB 2.0 high-speed transmission port facilitates real-time streaming.