Bluetooth audio receiver Earldom ET-M73, USB, Silver Bluetooth device for transferring music from a smartphone, computer or tablet via USB-input to an audio device. Interface - USB 2.0 Bluetooth version - V5.0 + EDR Working distance - 10m Microphone Compact design - the device is with the design of a regular USB memory Adds Bluetooth connectivity to a device that does not support one. Connects to your device via USB memory input. Compatible with all devices that have a USB input. (Car audio systems, Headphones, Speakers, etc.) Color - Silver