Product Feature: 【Wake Up The Old Stereo Equipment】 Bluetooth Adapter can be connected to the outdated non-Bluetooth receiver, stressed out retro stereo, speaker, wired headset, automobile stereo through the 3 aux jack, it would save the fees to buy a new receiver, giving outdated instruments an entire new life! 【Enjoy Wireless Streaming Music】 Bluetooth receiver for domestic stereo aspects Advanced CSR five chipset to realize faster, more steady and longer-range Bluetooth sign obtain Continue and clear HiFi music streaming creates an enjoyable listening ride 【Supports U-disk Playback】The Bluetooth adapter for stereo receiver is featured for the U-disk slot You can choose either to play out of your clever machine or U-disk! No subject whether you are using an old speaker, vintage stereo, or stressed out receiver, you could easily flip the song into wi-fi by way of the three mm or RCA cables of the Bluetooth audio receiver 【Easy to use】Easy plug, pair & play Plug into speakers, domestic stereo systems, or other automobile stereos through the three mm AUX or RCA cable, then pair the Bluetooth receiver with the Bluetooth audio devices equivalent to smartphones or capsules After that, you might benefit from the track NOTE: This product is a receiver only, NOT a transmitter Product Parameter: Product Name: Multifunction Bluetooth Audio Receiver Bluetooth Version: V5+EDR Bluetooth protocol: A2DP/AVRCP Bluetooth distance: 10 Meters(Obstacle-free transmission) Interface: R/L 2 RCA/3 AUX/Optical Fiber(Output)/USB U-Disk Product Size:90mm(L)*77mm(W)*30mm(H) Package List: 1x Bluetooth 5 Audio Receiver Adapter 1x three AUX Audio Cable 1x RCA Audio Cable 1x Optical Fiber Audio Cable 1x Type-C Power Cable 1x User Manual (Note:U-Disk now not included) Bluetooth Mode Playback: 1 First Use a 3 Audio Cable to Connect the Wireless Receiver to the Speaker Plug One End Ofthe Charging Cable into the Power Supply and One End Intothe Type-c Charging Port, Short Press the Spin Button for 3 Seconds to Start the Machine; 2 Find "C36" within the Wireless Search of the Mobile Phone, and then Select Pairing three After the Mobile Phone is Successfully Paired with the Device, You Can Now Playmusic Wirelessly, and the Unit Can Control the Up and Down Music and Volume; 4 Your Phone is Paired Successfully for the First Time, and It Will Automaticallyreconnect to Your Phone the Next Time You Turn It On U-Disk Mode Playback: After Power On, Insert the U Disk into the Usb Interface, You Can Directly Play Thecontent of the U Disk, and Short Press the Previous/next Song to Select a Song U Disk Mode, Short Press the Conversion Key to Switch to Wireless ModeMode (A 3 Audio Cable Needs to Be Plugged in in All Modes) Tips: ●Powered By USB Charging (No built-in battery ) We recommend that you simply use a 5V1A charger to energy the adapter to bypass inadequate voltage and current, that may cause current sound or noise when the adapter is in use ●●It's a VIKEFON Bluetooth audio receiver only, not a transmitter Can only be used for audio transmission,So you could not use it in your keyboard, mouse, file move (The operate of the Bluetooth receiver is so as to add Bluetooth wireless operate to the stressed out speaker/headphone, so that the Bluetooth-enabled device resembling the cellphone could be wirelessly related to the wired speaker/headphone through the adapter)