For TV PC LE524 USB Bluetooth 5.4 Audio Transmitter 50m Range Dual Connection Adapter 1.Bluetooth 5.4 Technology:Advanced Bluetooth 5.4 technology provides a more stable wireless connection, compatible with earlier versions. 2.Dual Device Connection:Simultaneously connect two Bluetooth devices (speakers, headphones) for shared enjoyment of programs and music. 3.Wide Compatibility:Compatible with TVs, PCs, for Macs, for PS4, and other devices with USB ports for audio transmission. 4.Plug and Play:No driver installation required, simply plug into the USB port for immediate connection. 5.Extended Range:Offers a Bluetooth range of over 50 meters in unobstructed areas. Specifications: 1.Bluetooth Version: V5.4 2.Working Frequency: 2.402GHz - 2.480GHz 3.Power Class: Class IIClass I 4.Audio Input: USB 5.Power Supply: USB 5V 6.Bluetooth Range: Greater than 50M (unobstructed) 7.Connectivity: Supports two Bluetooth devices simultaneously 8.Compatibility: PC, TV (with USB port), for Nintendo Switch dock, for PS console