Support Memory Card:NoSupport Apt-x:No Support AAC:No Model Number:USB Bluetooth 5.4 Dongle Adapter Package:No High Definition Support:None Content:AUDIO WIFI Standard:None Wireless Type:bluetooth Sound Track:Double Interface:USB Origin:Mainland China Feature 1:Bluetooth Computer Adapter,USB Dongle Feature 2:USB Receiver,Adapter Bluetooth Feature 3:Bluetooth 5.4 / 5.3 (only for win7/ win8.1/win10/win11) Feature 4:Bluetooth Adapter for Computer Feature 5:Bluetooth Adapter for Wireless Mouse/Keyborard/Headphone/Stereo Feature 6:Bluetooth 5.4 Feature 7:USB Bluetooth Feature 8:Bluetooth 5.4 Receiver Transmitter For PC Laptop Feature 9:Bluetooth Receiver Transmitter Feature 10:Support dropshipping and wholesale Product parameters: 1. Upgrade Bluetooth 5.4+BLE (LMP: 12.45)/ Bluetooth 5.3+BLE (LMP: 12.45) 2. Compatible with Bluetooth versions such as 5.3/5.2/5.1/5.0/4.0/3.0/2.0 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 Feature: 1. Multiple Bluetooth-Compatible: This wireless adapter can be compatible with 5.3,5.2, 5.1, 5.0, 4.0/3.0, 2.0 and other Bluetooth versions. Professional design makes this wireless receiver work very efficiently. 2. High Performance Chip: This USB wireless adapter uses high performance chip. It has low power consumption and low latency. At the same time, can transmit high-definition sound quality, in the transmission is more stable, neither delay and will not be stuck. It can recognize Bluetooth devices faster and more accurately, and can support more Bluetooth device connections. 3. Support for Win8.1/10/11 System: This audio receiver and transmitter is suitable for Win8.1/10/11 system. No driver allows it to realize wireless multimedia data transmission, and users can share multimedia files more conveniently and quickly, greatly improving work efficiency. 4. Wide Compatibility: This Bluetooth adapter can support a variety of devices, such as smartphones, computers, watches, tablets and so on. It supports the transmission of audio, video and data information, and is a good assistant for efficient and convenient use of Bluetooth devices. It can achieve simple and fast wireless connection, easy to use, fast speed, connection range is also very wide. 5. Built-in Smart Antenna: This audio and video receiver has a built-in smart antenna, which gives it a longer range and more stable transmission.