Features:Small size, more humanized, easy to carryUSB timely supply,no need to worry about failurePerfect wireless audio solution for a wide range of situations and usesThree-in-one Bluetooth audio receiver transmitter, suitable for TV Car PC HeadphonesSpecifications:Technologies: BT5.0, A2DP, AVRCP (receiver mode only)Operation Range: Up to 10m / 33ft (without any blocking objects)TX:Transmitter mode,red LED light is onRX:Receiver mode,blue LED light is onColour:BlackMaterial:ABSSize:45x20x95mmPackage Contents:1x Bluetooth 5.0 Audio Transmitter/Receiver Adapter1x 3.5mm Aux Cable1x ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.