Thank you for viewing. 【Upgraded 5.0 Chip】The superior Bluetooth 5.0 transmitter receiver adopts the latest Bluetooth 5.0 chip, which reduces power consumption and increases the transfer speed even faster than AAC and SBC, providing high-quality sound. 10m long connection distance. Once you enter the wireless range of this Bluetooth transmitter, it will automatically pair with the previously paired device. 【2 in 1: Transmit and Receive】Equipped with both Bluetooth transmitter (transmitter) and Bluetooth receiver (receiver) functions, you can easily switch between transmit/receive modes with a single slide. With this one device, you can use it as both a transmitter and a receiver. Switching between transmit and receive modes is easy with a single switch. 【Easy Connection】No complicated operations are required; after connecting the device, simply switch the mode button to the corresponding mode. 1. Set the product switch to "RX" (receive) or "TX" (transmit) as needed, and hold the product for 2 seconds; 2. Turn on the Bluetooth function of the connected device and bring it close to the device to connect; 3. Connection successful. 【Built-in 250mAh Battery】It has a built-in 250mAh battery, allowing for up to 10 hours of continuous use. Furthermore, it employs power-saving (BLE) technology, reducing power consumption by 60% compared to conventional models. It also comes with a micro USB-C charging cable and can be fully charged in 1.5 hours. Audio can be used while charging. Applicable to devices with Bluetooth functionality and 3.5mm audio output jacks. Compatible with iPhone, Android smartphones, Bluetooth headphones, tablets, PCs, TVs, stereos, car stereos, and other devices. Stream music from your smartphone to your stereo system speakers via a Bluetooth receiver.