Brand – Ugreen, Model – Ugreen CM276, Type – Bluetooth Adapter, Input Interface – Not Applicable, Output Interface – Not Applicable, USB Quantity – Not Applicable, Bluetooth Version – Bluetooth 5.0, Material – AAC/SBC, Color – Black, Features – We are making music playback and conversations smoother and clearer than ever. The built-in microphone makes talking to family and friends a breeze. Perfect for hands-free calling when driving. Hands-free control makes you focus on driving. With our user-friendly receiver, you can connect two mobile phones simultaneously and easily switch between music and calls on either one., Others – Power Supply: Micro USB, Bluetooth Code: AAC/SBC, Battery: Built-in, Part No – 70303, Warranty – 1 Year, Country of Origin – China, Made in/ Assemble – China