This small and portable Bluetooth stick enables Bluetooth functionality for laptops or desktops running Windows 10 or 8 or 7 or XP or Vista. Plug and play on most devices. Bluetooth 5.0 technology can enhance the performance of Bluetooth audio. The transmitter is practically designed for wide uses and scenarios. In receiver mode, the Bluetooth adapter can help transfer music from cell phones to car speakers or home stereo systems without Bluetooth capability. Product description: Function: Bluetooth audio reception and transmission two in one Built-in noise reduction HIFI sound quality Color: Black Size: 8.2 x 2.94 x 1.33 cm Weight: 0.06kg Package includes: Hostx1 3.5mm audio cablex1 Manualx1 Note: 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. Sold by-YJL official store