Features 1、Music bluetooth receiver is bluetooth stereo receiving device, supports digital products with Bluetooth function, such for Android phone, computer, etc. realizes stereo wireless transmission 2、Wired to wireless, can be paired with Bluetooth mobile phone, Bluetooth computer to achieve speaker wireless. 3、Directly plug into the USB port of car or stereo, easy to operate, with hands-free calling function. 4、Professional manufacturing, stable performance and high reliability. 5、No need to charge, plug and play, very practical. Specification Condition: 100% brand new Item type: Bluetooth Receiver Material: ABS Color: As picture shown Weight: Approx. 22g Power supply: USB 5V power supply Bluetooth: Bluetooth 5.0 + EDR Specification Output method: USB port 3.5mm audio interface Receiving distance: about 10m Instructions for use: 1. Connect with speaker 1). The speaker does not have a USB interface. Insert the Bluetooth U disk into a charger with 5VUSB interface, and then connect the audio cable to the AUX port. 2). The speaker has USB interface Plug the Bluetooth U disk directly into the speaker USB interface. 2. Pairing Turn on the Bluetooth function of the mobile phone (or computer), search the surrounding Bluetooth devices, find and pair it with it. After the pairing is successful, the Bluetooth receiver, and the car are the same way. 1. Plug directly into the USB port 2. Connect the audio cable 3. Directly plug into the audio USB Package List 1 x Bluetooth Receiver 1 x 3.5mm cable 1 x User card