Instructions for use: 1. Plug the product's USB port into the 5V power port, the product’s blue light will flash, plug the 3.5mm audio into the product’s audio port, and connect the speaker’s audio port externally. The speaker must be in audio input mode, turn on the phone’s Bluetooth, click Bluetooth search, Find "YET-M1" in the searched Bluetooth devices and click connect. If you don't find it, you can refresh and scan the Bluetooth. After connecting the phone, the TV will prompt, and the phone can play music and transfer it to the TV for playback. 2: Turn on the power of the TV, plug the USB into the USB port of the speaker, the USB must be an interface that can read data, select the USB input mode, plug in the product, the blue light of the product will be on, turn on the Bluetooth of the mobile phone, click the Bluetooth search, and the search Enter the Bluetooth device and find "YET-M1" and click to connect. If you don't find it, you can refresh and scan the Bluetooth. After the phone is connected, the TV will prompt, and the phone can play music and transfer it to the TV for playback. Specifications: 1. Support Bluetooth : Bluetooth V 2.1+EDR 2. Power supply:USB 5V power supply 3. Output:3.5mm Audio interface 4. Distance: 5-10 meters Package Contents: 1 x Bluetooth Audio Music Receiver 1 x 3.5mm Audio Cable Note: 1.If you have any questions, Please ask our staff for assistance. 2. This Bluetooth is only suitable for speakers, and cannot be used on the car See more?Transmission?: The transmission rate is 3 (Mbps), and the longest transmission distance is 10m. ?Portable design?: small and exquisite, portable feature allows you to carry it anywhere. ?Wireless Play?:Removing troubles of wired connection,through the wireless connection and transmission,the user can enjoy a high fidelity music at any place indoor by wireless control. ?Operation is simpler?:Insert the usb bluetooth receiver and connect your device with it, the name is "YET-M1" immediately transform your device into a fashionable wireless bluetooth device,Compared to the majority of similar products on the market no longer need to connect the speaker AUX port and audio cable. ?Wide range of applications?: used in home theaters, mobile phones, karaoke players, speakers, stages, etc.