Features: More Stable Connection: The Bluetooth-compatible 5.0 dongle has a more stable connection with transmission rate of up to 5Mbps. The configuration of Bluetooth-compatible low energy (BLE) and dual-mode Bluetooth-compatible transmission can obtain faster data transmission speed. The transmission distance can reach up to 32ft (10m) in an open place. System support: USB Bluetooth-compatible adapter only supports for Windows 10 / 8.1 / 8 / 7 (Not support for Mac, Linux, TV, car stereo, ). Driver is required. Backward for Bluetooth-compatible 4.2/4.0/3.0/2.1. Ultra-Small Size: The stylish and compact design makes the Bluetooth-compatible receiver perfect for placing on a laptop or PC without even noticing it. You can easily carry it on your laptop without blocking the USB ports next to it. Wide Range of Applications: The wireless Bluetooth-compatible adapter can connect multiple devices, such as Bluetooth-compatible speakers, keyboards, headsets, and mice. You can make full use of the Bluetooth-compatible adapter to wirelessly transfer files while enjoying music. brand new and high quality Bluetooth-compatible adapter 5.0 : The Bluetooth-compatible USB adapter uses the latest upgraded Bluetooth-compatible 5.0 technology. The anti-interference ability and stability is enhanced, and the transmission efficiency loss caused by interference in the 2.4 GHz frequency band is reduced. Specifications: Name: Bluetooth-compatible Transmitter Receiver Bluetooth-compatible version: 5.0 Wireless distance: 20m Colour: Black , White（optional） Material: ABS Size: approx. 24.6x16.2x7mm/0.960.63x0.27in Package Includes: 1PC x Bluetooth-compatible 5.0 Audio Transmitter/receiver Adapter note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!