2in1 USB Bluetooth5.0 Transmitter Receiver Audio Adapter AUX 3.5mm TV PC Speaker Description: Just one click for mode switching, fast and convenient Power by USB Charger, PC, Powerbank and other 5V USB devices. This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of Bluetooth applications RX Mode (Receiver Mode): Connect the Device to Non Bluetooth Headphone/Home Speakers or Car  Stereo System with 3.5mm Audio Cable. Pair the Receiver to Your Bluetooth Smart Device. Now You Can Enjoy Your  Music through Your Headphone, Speakers, Home Stereo System/Car Stereo System, or Answer Hands Free Calls TX Mode (Transmitter Mode): Pair the Device to Your Bluetooth Headphones or Bluetooth Speakers. Plug It in Your Non-Bluetooth Media Devices (Such as MP3, CD/DVD Player,  TVs, etc.) via 3.5mm Audio Cable or RCA Cable. Now You Can Enjoy Your Music via Bluetooth Speakers/Bluetooth Headsets  from Your Non-Bluetooth Media Device! Specifications: Technologies: BT5.0, A2DP, AVRCP,EDR,HSP (receiver mode only) Operation Range: Up to 10m / 33ft (without any blocking objects) Receiver mode: blue LED light is on Transmit mode: red LED is on Dimensions: 45mm x 20mm x 10mm 3.5mm cable length: 50cm Weight: 25g Colour: Black Package Included: 1 x Bluetooth Audio Transmitter/Receiver 1 x 3.5mm Aux Cable Note:Mobile Phone and Other Digital Accessories in the Picture Not included.