2 in 1 Bluetooth Transmitter Receiver: This excellent product have two mode. Transmitter mode, which wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers. Receiver mode, which wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones. Note:Didn't fit two bluetooth signal device earbuds like airpods.Bluetooth 5.0 technology: The Bluetooth audio adapter uses 5.0 technology, ensures more stable, faster transmission, low power consumption and at the same time offers superior audio performance. Bluetooth 5.0 audio adapter, the data transfer speed is double that of Bluetooth 4.2 and can be kept up to 20 meters long distance (without barriers). Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using Bluetooth and 3.5mm audio cable (included).High-level Sound Quality: The audio adapter offering you loseless audio experience when transmitting or receiving music through the device. The Bluetooth receiver uses the 5.0 low latency technology, eliminates Bluetooth audio delays, for superior audio quality, has powerful functions for wireless audio streaming. This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses.Broad Compatibility: With the included 3.5mm cable and 3.5mm to 2RCA cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc. Suitable for single Bluetooth signal device, not fit with two Bluetooth signal device earbuds like airpods.