Product Feature Visual Screen: unique screen design, The Bluetooth transmitter can freely choose the Bluetooth headset or speaker to connect. The Bluetooth name will be displayed on the display, you can freely choose, more convenient, will not be connected by mistake.Bluetooth is Everywhere: Universal Bluetooth audio adapter makes your TVs and other devices Bluetooth enabled to stream audio to your Bluetooth headphones, or makes your home stereo Bluetooth enabled to receive the wirele music streaming from your phone and tablet.Transmitter Receiver 3-In-1: The portable adapter that can be used as a transmitter or receiver at the same time, and with hands-free function. In transmitter mode, convert TV, PC, CD player, iPod, MP3 / MP4 into a Bluetooth transmitter. Receiver mode: ideal for sound systems transmitting music at home or in the vehicle.Portable:The compact bluetooth adapter is small, lightweight and easy to carry.Enjoy the Silence: Benefit from Bluetooth audio when exercising, watching late-night TV shows, or simply when you want to keep the entertainment for yourself only.NoteReceive / transmit switching: receiving and transmitting are switched by plugging and unplugging.1. Receiver mode: the pairing status blue light flashes once every 0.5 seconds.2. Transmitter mode: the pairing status green light flashes once every 0.5 seconds.Product SpecificationBluetooth 5.0 Transmitter ReceiverType(TX/RX) Bluetooth Wirele Music AdapterBluetooth VersionV5.0+EDR, A2DP, HSP, AVRCPProtocol SupportUART and HCIBluetooth Distance10 MetersTransmiion Rate4Mbps High SpeedSensitivity-90dBmWorking Voltage5VWorking Current50maBattery Capacity300mAhDisplay Size0.96 inchesNotes:1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.