Features:brand new and high quality.Broad Compatibility: With the cable, this receiver transmitter adapter can widely be used on your car,computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.Receiver mode: Wirelessly audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones.Switch between transmitter and receiver modes with the simple press of a switch.This extremely portable, lightweight wireless audio transmitter & receiver is an for ideal wireless audio solution for a wide range of situations and uses.Transmitter mode: Wirelessly audio from your non-Bluetooth TV, home stereo system, or CD player to your headphones or speakers. Specifications:Material: PlasticSize: approx 16x32x8mm/0.62x1.25x0.31 inches Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x 5.0 Receiver Adapter