The Bluetooth transmitter/receiver adopts 5.0 technology, which provides more stable and faster transmission, lower power consumption and excellent sound quality. Bluetooth 5.0 is equipped with an audio adapter, the data transmission rate is twice that of Bluetooth 4.2, and the distance can be kept up to 12 meters (no barriers) 2 in 1 Bluetooth Transmitter A Bluetooth transmitter that supports dual streams (TX mode and RX mode). Receive Mode (Receive Mode, blue light): Wirelessly stream audio from a Bluetooth-enabled cell phone, computer, to stereo, speakers, or headphones. Wide Compatibility With the included 3.5mm cable and 3.5mm2 RCA cable, this receiver transmitter adapter can be widely used in computers, laptops, stereos, headphones, smartphones, MP3 players, CDs player etc. HD Acoustics Bluetooth receiver features 5.0 Low Latency Technology, which eliminates Bluetooth audio delays, provides superior audio quality, and features powerful wireless audio streaming. Put this transmitter and receiver in your backpack or laptop bag and take it with you effortlessly.