2Pcs USB 5.0 Transmitter Receiver, 2 in 1 Mini Wireless Adapter, 3.5mm

The included 3.5mm cable can be widely used in your computer, laptop, home stereo system, earphone, smart phone, MP3 player, CD player, etc. Transmitter mode, wirelessly transmit from a computer, non‑ TV, home stereo system or CD player to a headset or speaker (via USB interface, no cable required). Receiver mode, wirelessly transmits from a ‑enabled phone, tablet, or computer to a wired stereo, speaker, or headset. In RX mode, find ZF‑169Plus in the settings of the phone to be paired, blue light flashes during the process and stop after the pairing is done, use a 3.5mm cable to connect the product to the device. TX mode on the PC, driver‑free, plug the USB into the computer interface, and automatically search for other receiving devices, red light flashes when pairing,stops flashing after completion.