Wireless Audio Adapter Long Range Wireless Audio Transmitter and Receiver 2 in 1 Specification:Product Name: Audio AdapterProduct color: BlackSingle package weight: 160g/0.35lbsSingle package size: 15.5x9.5x3cm/6.1x3.74x1.18inch Features:Use of CSR high-end chip design,One-touch switching of R-X and TX modes.RCA, I2S audio input/output interface, can be -ely switched.Two antennas, Bluetooth use distance >80M, strong stability. Hi-gh FIDE-LITY lossless sound quality, low latency sound output. Support apt-X LL, apt-X, S-BC, AAC, f-s. Built-in 500MA battery for long life.The product will automatically enter sleep mode 6 minutes of no connection in R-X and TX mode, and comes with its own battery protection IC. Support Dual stream (TX mode) can be connected to two Bluetooth audio devices,Receive (R-X) can be connected to two devices at the same time, any two of the mobile phone*tablet*laptop devices, the volume can be controlled by the button and the up and down song when playing Receive mode and transmit mode can be connected back automatically, with a memory function for the connected products.Si-mple connection without any driver or app downloading. Package Include:1x Wireless Audio Adapter1xUSB charging cable 1x3.5MM audio cable1xRCA audio cable