Specifications:

• Bluetooth Standard: Bluetooth 5.3
• Hign-concerned Chemical: None
• Bluetooth protocol - 5.3: HSP, A2DP, AVRCP, DID, GAVDP, IOPT, PAN, HID
• Bluetooth Standard: Bluetooth v5.3
• Brand Name: UGREEN
• Certification: CE
• Certification: CE, FCC, SRRC, TELEC, UKCA, IC
• Certification: FCC
• Compatible Systems - Bluetooth5.0: Windows 7/8.1/10/11
• Compatible Systems - Bluetooth5.3: Windows 8.1/10/11
• Feature: Bluetooth Adapter for Wireless Mouse/Keyborard/Headphone/Stereo
• Function: Bluetooth Adapter for Computer,Bluetooth Adapter for PC
• Model Number: CM591/CM390/CM656
• Operating frequency: 2.400GHz-2.4835GHz
• Origin: Mainland China
• Package: Yes
• Product Name: Bluetooth Adapter, USB Bluetooth 4.0, USB Bluetooth 5.0, USB Bluetooth 5.3, Bluetooth Dongle
• Transmission distance: 20m / 100m(External Antenna Model)
• Type: Bluetooth Computer Adapter,USB Dongle
• Usage 1: USB Bluetooth Receiver,Bluetooth Dongle 4.0,Bluetooth Dongle 5.0,Bluetooth Dongle 5.3
• Usgae 2: Bluetooth Adapter,Wireless Bluetooth Adapter
• Usgae 3: Wireless Transmitter
• Usgae 4: USB Receiver,Adapter Bluetooth