Features:<br />1) Bluetooth 4.0 adapter<br />2) Features with CSR8510 chip， conforms to Bluetooth 4.0 standard， downward compatible with Bluetooth 3.0， 2.1， 2.0   <br />3) Dual mode transmission (transmitter and receiver)<br />4) Farthest transmission distance can be up to 20m without obstacle<br />5) Features with USB2.0 interface， transfer rate up to 3Mbps<br />6) Driver software: CSR Harmony Wireless Software Stack<br />7) Ideal solution to transfer file， audio or voice wirelessly for your desktop and laptop<br /><br />Compatible Operating Systems <br />Windows XP， 2003， Vista， 7， 2008， Windows 8 32 or 64 Bit and Mac<br /><br />Compatible Bluetooth Devices <br />Cell Phone， Tablet， Speaker， Headset or Headphone， Mice and Keyboard， etc. <br /><br />Compatible Bluetooth Profiles <br />HID， 24-Bit CRC， AFH， EDR， Advanced Audio Processing， AVRCP， A2DP， DUN-GW， HSP， HFP A2DP AVTCP， FTP， OPP， Audio-GW， FAX， BPP<br /><br />    Specifications<br />Product Details<br />	 Brand: ORICO                                                  <br />                        Model: BTA-402                                                  <br />                        Design: Professional                                                  <br />                        Optional Color  : Black                                                  <br />                        Product weight: 0.010KG                                                  <br />                        Product size (L x W x H): 2.50 x 1.50 x 0.80 cm / 0.98 x 0.59 x 0.31 inches                                                  <br />                        Package Contents: 1 x Bluetooth 4.0 Dongle， 1 x Driver CD with CSR Harmony                                                	<br /><br /><br /><br />                                                <br />