Description: Experience extended range connectivity with our Level 2 power level wireless adapter. Supporting Class 2 power level, this USB wireless receiver ensures a reliable connection up to 20 meters in open spaces. Compliant with the Bluetooth-compatible 5.4 dual-mode standard (LMP 13.X), it can connect with up to seven devices simultaneously through USB 2.0/3.0 interface. Equipped with an energy-saving chip for low-latency transmission, this Bluetooth-compatible dongle features a smart low-power chip and RF transceiver, offering an enhanced wireless experience without draining your device's battery. Utilizing advanced Bluetooth-compatible 5.4 Dual Mode technology, our adapter is backward compatible with Bluetooth-compatible 2.0, 3.0, 4.0, 5.0, 5.1, and 5.3 specifications, ensuring seamless connectivity with various devices. This driver-free plug-and-play dongle is designed for user convenience, supporting for Windows 8.1, 10, and 11 operating systems without the need for additional drivers. For Windows 7 users, a full-featured driver is available for installation. Item Name: Wireless Adapter Material: Metal, Plastic Bluetooth-compatible Version: 5.4 (Ble Low Power Consumption, Low Latency) Transmission Distance: 20 Meters (Barrier-free Environment) Support Protocols: A2DP, HSP, AVRCP, HID, ACC, Etc. Working Temperature: -20 to 70-degree Features: Driver-Free, Extended Range Connectivity, Multi-Protocol Support Size Details: L: 2.6cm/1.02", W: 1.4cm/0.55", H: 0.9cm/0.35" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Adapters Enhanced Connectivity: Experience extended range connectivity with our USB wireless adapter, featuring Class 2 power level technology that ensures a reliable wireless connection up to 20 meters in open spaces. Widely Compatible: Compliant with Bluetooth-compatible 5.4 dual-mode standard (LMP 13.X), this adapter supports simultaneous connection with up to seven devices for seamless multitasking. Energy-Efficient Design: Equipped with an energy-saving chip and RF transceiver, our wireless Bluetooth-compatible dongle offers low-latency transmission, enhancing your wireless experience without compromising on battery life. Enjoy flexible and powerful Bluetooth-compatible applications with minimal power consumption. Cutting-Edge Technology: Our USB Bluetooth-compatible 5.4 adapter utilises advanced 5.4 technology to provide dual-mode functionality, ensuring compatibility with Bluetooth-compatible 2.0, 3.0, 4.0, 5.0, 5.1, and 5.3 specifications. Benefit from seamless connectivity with a wide range of Bluetooth-compatible devices for enhanced versatility. Driver-Free Convenience: Designed for user convenience, this plug-and-play wireless dongle is compatible for Windows 8.1, 10, and 11 operating systems, eliminating the need for additional drivers.