Description: 1.Name: V5 Bluetooth Adapter 2.Interface: Usb 2.0 3.Transfer Rate: Max 24mbps 4.Bluetooth Version: Bluetooth V5.0 5.Frequency Band: 2.400-2.480ghz 6.Color: Black 7.Size: As Showns 8.Operation System: Windows 7/ 8/ 10/ Vista/ Xp/ 2000/ 98/ Me Etc. 9.Low-Power Selectable 1.2 To 3.6 Vi/O. 10.Supporting Multiple Languages. 11.Compatible With Bluetooth V1.2/2.0/2.1/3.0/4.0 12.Supporting Multiple Languages. Features: 1.Bluetooth Adapter Only Supports Win Computers (Desktop/Notebook/All-In-One), And Does Not Support Tv/ Speakers/And Other Usb Devices 2.Usb 4.0 Bluetooth Dual Mode Dongle, Compatible With Bluetooth 2.1, 3.0, 4.0 Specifications. Integrated Low-Power Mcu, Rf Transceiver, Baseband, Modem, Usb, Uart, Pcm/I2s, Saradc And 24 Gpios With The Barry Bluelett Protocol Stack To Provide Low-Cost, Low-Power, Flexible And Powerful Bluetooth Application 3.Support Cass1/2 Power Level 4.Support Usb/Uart 5.Supports 7-Br/Edre Acl Links, 1-Sco/Esco Audio Links And 1-Ble Slave Links Or 4-Ble Masters 6.Passed Bqb Certification 7.Operating Temperature -20 To 70 C 8.Supported Operating Systems: Windows, Android, Linux, Freertos, Threadx Uitron 9.Support Software: Microsoft Bluetooth Software, Csr Harmony, Bluez, Bluesol 10.Eil. Bluelet. Bluedroid 11.Support Application Functions: Hfp/Hsp (Handsfree Phone/Headphone) A2dp/ Avrcp (Stereo Music) /Hogp (Keyboard Mouse).Dun/Pan (Online), Pbapma Pftpspp.Gatt, Etc. Package Include: 1 X V5.0 Bluetooth Stick Notes: 1.Transition:1cm=10mm=0.39inch 2.Please Allow 1-3mm Error Due To Manual Measurement. Pls Make Sure You Do Not Mind Before You Bid. 3.Due To The Difference Between Different Monitors, The Picture May Not Reflect The Actual Color Of The Item. Thank You