Digital to Analog Audio DAC Converter AdapterFeatures: 1. Converts toslink digital audio signals to analog 2RCA L/R and 3.5mm aux audio. 2. Available for connection to an external device such as an amplifier via standard RCA / 3.5mm aux jacks. 3. Supports sampling rate at 32,44.1, 48 and 96KHz. 4. 24-bit SPDIF incoming bit stream on left and right channels. 5. Provides electromagnetic-noise-free transmission. 6. Easy to install and simple to operate. 7. Compact size and light weight8. Digital Optical Toslink Signal to Analog Audio Converter is designed for either home or professional audio switching. 9. It converts Toslink digital audio signals to analog 2RCA L/R and 3.5mm aux audio and available for connection to an external device such as an amplifier via standard RCA-style jacks. 10. This Converter is small in size and quite easy to install. 11.Upgraded to have bluetooth audio receiver functions.12.Super Stable Connection:Our Bluetooth audio adapter is fitted with a Bluetooth 5.0 chip for steady pairing, fast transmission and a wide signal range (33 feet). With the 3.5mm AUX port and 2 RCA port, it can be connected to non-Bluetooth car audio systems, home stereo, wired headphone/speaker, Amplifier/Home Theater.etc. Then you can enjoy wireless Hi-fi music streaming! Note: It's a vikefon Bluetooth receiver only, not a transmitter. So you couldn't use it for your TV, keyboard, mouse.13.Auto OnWhen you connect to the power, So its very good for to use in car or other you want it have auto on functions. 14.Dual Device Link:Simultaneously pair your smartphone and tablet and stream music from either one with any stereo system that supports a standard 3.5mm or RCA jack.Connect two Bluetooth devices at once to listen to music, make phone calls, and more. 15.Connect two devices:Support to connect with 3.5mm audio port and 2 RCA audio port at the same time.16.Auto-Connect:This Bluetooth receiverwill automatically connect to the last paired Bluetooth device when you turn it on the next time. 17.Support volume adjustment and song switching. 18.Upgraded to support U Disk to play. 19.Built-in antenna, the signal transmission is more stable,the sound more clear, no noise.What 2 In 1 Audio Adapter:A.Digital to Analog Audio Converter SPDIF/Digital Optical Toslink to 3.5mm AUX RCA L/RB.Bluetooth audio receiverIntroductions:This Digital to Analog Audio Converter is designed for either home or professinoal audio switching.It converts SPDIF Toslink digital audio signals to analog 2RCA L/R audio and 3.5mm AUX and available for connection to an external device such as amplifier via standard RCA-style/3.5MM aux jacks.and we have upgraded the converter, its have bluetooth audio receiver function, so you can use your phone to pair with your wired speaker/car systerm/wired headphone/amplifier via bluetooth.Colour: BlackMaterial: metal+plasticNOTE: Don't built-in battery (Powered by usb charging)About Using QuestionFirst. the device has RX and Digital to Analog Function.Blue Color is meant RX modeRed Color is meant Digital to Analog modeSecond, RX mode is not support Optical function. so if you using optical , please let the device enter Digital to Analog mode (Red Color)Third, when you using Optical , if you watch YouTube , please adjust your tv data to PCM othwise it won't has any sound.Package Contents:1 x 2 in 1 adapter1 x 3.5mm Aux audio cable1 x Optical Fiber cable1 x Type c charging cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! !