KASTWAVE USB Bluetooth 5.0 Transmitter Receiver, 4 in 1 Mini Wireless Audio Adapter, 3.5mm Bluetooth AUX Adapter Car Bluetooth Receiver for TV PC Headphone Speaker Car/Home Stereo System

[Bluetooth Transmitter Receiver] ① Transmitter mode: Transmit audio from non-Bluetooth sources (TV, PC, CD/DVD player, etc.) to Bluetooth headphones/speakers via 3.5mm audio cable. ② Receiver mode: Transmit audio from Bluetooth audio source (smartphone, tablet, Bluetooth TV/PC) to non-Bluetooth headset/speaker/car/home audio system via 3.5mm audio cable.
[USB Audio Transmission] ① Transmitter Mode: Wirelessly transmit audio from non-Bluetooth PC/PS4 game console to Bluetooth headset/speaker via USB port. ②Receiver mode: non-Bluetooth speakers with USB port can now receive audio through the USB port. No need for 3.5mm audio cable/driver.
[One Button To For Switch Mode ] Quickly switch transmitter/receiver mode with just one button press. When the Bluetooth adapter is powered on, the red light is in TX-transmitter mode and the blue light is in RX-receiver mode.
[Wide Range Of Applications] The USB Bluetooth 5.0 adapter can be used with almost any device with audio input/output (3.5mm auxiliary audio jack). When used with Bluetooth headset or Bluetooth speaker, you can easily enjoy music and TV programs without disturbing others and ensuring privacy.
[Bluetooth Everywhere] Enables wireless connection with various Bluetooth devices by connecting the adapter to non-Bluetooth devices. And achieve a connection range of up to 49 feet / 15 meters (barrier-free). Turn non-Bluetooth TV, PC, CD player, MP3 / MP4 into Bluetooth in TX mode. RX mode: Turn non-Bluetooth home or car music streaming audio system into Bluetooth.