Description: This mini USB bluetooth-compatible adapter works with a high speed of 3Mbps, and the bluetooth-compatible is designed with V4.0 and EDR technology, providing you with a stable connection and work efficiency. The bluetooth-compatible USB for dongle works with low power consumption, and it can transmit data with dual modes, meeting your different needs. The low power consumption could choose from 1.2-3.6vi/o, supporting bluetooth-compatible sound data and supporting multiple languages. The bluetooth-compatible V4.0 version also is suitable for bluetooth-compatible V1.2/2.0/2.1/3.0/4.0 to connect and use, and the USB 2.0 makes it easy to connect to devices. This kind of bluetooth-compatible adapter is replacement for Windows 7/ 8 / 10, which can work with a drive. Specification: Color: show as pictures. Size: 21x16x5mm. Chip: CSR8510. bluetooth-compatible version: V4.0+EDR V2.1/2.0/3.0. Port: USB 2.0. Frequency range: 2.400-2.480GHz. Transmitting speed: 3Mbps. Distance: 0-20m. Type: replacement for Windows 7/ 8 / 10. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package included: 1x bluetooth-compatible adapter.