Support Memory Card:NoSupport Apt-x:No Support AAC:No Model Number:USB Bluetooth 5.3 Dongle Adapter Package:Yes High Definition Support:None Content:AUDIO WIFI Standard:None Wireless Type:bluetooth Sound Track:Double Interface:USB Origin:Mainland China Feature 1:Bluetooth Adapter Feature 2:USB Bluetooth Feature 3:Bluetooth 5.3 Feature4:Bluetooth Adapter for Computer Feature 5:Bluetooth 5.3 / 5.0 (only for win7/ win8.1/win10/win11) Feature 6:Bluetooth Computer Adapter,USB Dongle Feature 7:Bluetooth Adapter for Wireless Mouse/Keyborard/Headphone/Stereo Feature 8:USB Receiver,Adapter Bluetooth Bluetooth 5.3 Product parameters: 1. Upgrade Bluetooth 5.3+BLE (LMP: 12.45) 2. Compatible with Bluetooth versions such as 5.2/5.1/5.0/4.0/3.0/2.0 3. Classic appearance, bright design 4. Low power consumption, low latency, high-definition audio quality 5. For Win10-11 driver free, plug and play, supporting Win7 system 6. One connection, automatic reconnection 7. Supports simultaneous connection of multiple devices 8. Wide compatibility (Bluetooth earphones/speakers/Bluetooth mice/keyboards/Bluetooth handles/printers/Android phones) 9. Built in antenna for longer and more stable distances 10. Support protocols such as A2DP/HSP/AVRCP/HID/SBC/AAC Bluetooth 5.1 Description: Product Name: V5.1 Bluetooth-compatible Adapter; Interface: USB 2.0; Transmission rate: maximum 24Mbps; Bluetooth-compatible version: Bluetooth-compatible V5.1; Frequency band: 2.400-2.480GHz; Colour: Black; Low-power options: 1.2 to 3.6 VI/O; Compatible with Bluetooth-compatible: v1.2/2.0/2.1/3.0/4.0; Supported operating systems: compatible for Windows, Android, Linux, FRERTOS, ThreadX UITRON; Support software: compatible for Microsoft Bluetooth-compatible software, CSR, Bluez, Bluesol; Support application functions: HFP/HSP (hands-free phone/headphone) A2DP/AVRCP (stereo music) HID/HOGP (keyboard mouse). DUN/PAN (online), PBAPMA; PFTPSPP.GATT, etc.; Packing list: 1 x Bluetooth-compatible Adapter Bluetooth 5.0 Product parameters: Bluetooth version: V5.0 Receiving / launching distance: 20 meters Compatible systems: for windows 7.8.10/XP/Vista/Mac OS USB standard: USB 3.0 Product material: ABS Applicable products: for Bluetooth mouse, keyboard, speaker, earphone, printer, gamepad, etc. Package included: USB Bluetooth dongle*1