brand new and high quality Features: This USB Bluetooth-compatible receiver transmitter is small and lightweight which is convenient for you to carry. This USB Bluetooth-compatible audio adapter features a LED indicator light,so you can easily distinguish different mode. Transmitter mode:It can stream audio from your non-bluetooth-compatible TV,speaker and C-D player and you can use your Bluetooth-compatible earphone to connect with it. Receiver mode: It can stream audio from your smartphone,tablet and computer,so the plugged device can connect with your phone and for play the music. This Bluetooth-compatible audio adapter support Bluetooth-compatible 5.0,you can use it to connect with many kinds of phone and the signal is stable and fast. Specifications: Material: Plastic + metal. Color: Black. Size: 3.2x0.8cm. Transmission rate: 24 (Mbps) Working frequency: 24 (MHz) Effective working radius: 10 (for m) Bluetooth-compatible standard: 5.0 Notes: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1xBluetooth-compatible audio adapter. 1x Cable. 1x Manual.