["brand new and high quality.\nFeature:\n①The appearance of the product is exquisite\n②Using CSR high-end chip design\n③One-key switch between RX and TX modes\n④RCA, I2S -audio input/output interface, can be switched freely\n⑤Two antennas, Bluetooth-compatible operating distance>80M, strong stability\n⑥High fidelity and lossless sound quality, ultra-low delay sound output. Support apt-X LL, apt-X, SBC, AAC, FS.\n⑦Built-in 500MA battery, long battery life\n⑧ There will be a low battery reminder when the battery is below 20%. The product will automatically enter the sleep power saving mode after 6 minutes in the RX, TX mode without connection, and it has its own battery for protection IC, which is safe and reliable while charging\n⑨Support Dual stream (TX mode) transmission can connect two Bluetooth-audio devices\n⑩Automatic connection can be realized in receiving mode and transmitting mode, and has memory function for connected products ◆ The appearance of the product is exquisite;\n\nSpecifications:\nMaterial: Plastics\nSize: 11x9x2.5cm\nColor: Black\nBluetooth-compatible Version: BT 5.0\nBluetooth-compatible chip: CSR\nTransmission distance: ﹥80M (open place)\nBattery standard: 500MA\nQuantity: 1 Pc\n\nNote:\nPlease allow 0-1mm error due to manual measurement, pls make sure you do not mind before you bid.\nDue to the difference between monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1x Bluetooth-compatible 5.0 Tranmistter receiver\n1x 3.5mm Aux Audio-Cable \n1x RCA audio-cable\n1x USB Cable \n1x User Manual"]