Adopting the bluetooth-compatible 5.0 dual-mode chip, the product possesses higher transmission speed, lower consumption, more stable signals, and longer transmission distance.With compact size and light weight, the product is easy to carry and store. The product is plug and play with no need driver.Using the fireproof ABS material and electronic components, the product is durable, lightweight and portable.The length of the product is 2.3cm, the width is 1.45cm, and the height is 0.53cm.It is applicable to computers to connect with bluetooth-compatible headsets, bluetooth-compatible mice, bluetooth-compatible keyboards, bluetooth-compatible speakers, mobile phones, tablets, etc, to transfer files or for entertainment.Item Name: bluetooth-compatible AdapterMaterial:Fireproof ABS,Electronic ComponentInterface Type: USBSupport Operating System: for Windows 8/8.1/10Transmission Rate: 10MbpsBackward Compatible: bluetooth-compatible 4.1/4.2/5.0Working Frequency: 2400MHzBluetooth Version: 5.0Bluetooth Transmission Distance: about 20m/65.62ftSize:2.3cmx1.45cmx0.53cm/0.91inx0.57inx0.21inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension differences due to different manual measurements.Package Includes:1 X bluetooth-compatible Adapter