Features: Double Antenna Bluetooth-compatible Adapter delivers enhances signals stability for seamless connection with headphones, keyboards, and mouse, outperforming single antenna alternatives. Featuring universals compatibility and plugs and play simplicities, this adapter instantly pair with multiple devices without driver or technical setup. for multitaskings professional, remote workers, and enthusiasts managing diverses peripherals in dynamic environments. Ensures uninterrupted performances home offices, conference room, or setups where Bluetooth-compatible connectivity. Engineered with ABS construction and low power circuitries, it combines long reliability with energies efficiency for office or long-distance travel. Specifications: Materials: ABS plastic Size:as picture show Package Includes: 1PC Bluetooth-compatible Adapter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.