USB: Connect to U disk (maximum support 32GB)TF: Connect to TF memory card (maximum support 32GB)AUX: Audio Input InterfaceVOL-: Short press is the last song; Long press is the volume reduction.PLAY/PAUSE: Short press is the switch between pause and playback; Long press is the radio FM automatic station.VOL+: Short press is to choose the next song; Long press is to increase the volume.MODE: Switchover of USB/TF/FM/LINE IN/BLUETOOTH VoiceMain control IC: AC5322BBluetooth IC: AC5322B Bluetooth version is version 5.0Music format: MP3/WMA/WAV/FLAC/APE lossless format musicPower: 2 * 3W, connected to two 3W speakersRadio FM Frequency: 87.5-107.5 MHZIntroduction of Support Functions: Support MP3/USB/TF/LINE IN/FM/BLUETOOTH/Remote Control/DC 5VAbout structure: panel size: 107 * 25 MM, panel corner and screw hole position, then cover surface, the depth of the board is 32 MMDescription of recording function1. Press the MODE button for a long time to start recording, and then press the MODE button for a long time to cancel recording function.2. Press the PLAY/PAUSE key to play the recording file.3. When recording, it is more necessary to connect a storage device, such as a U disk or a TF card.Colour: Blackmaterial: plasticPackage Contents:2 * Bluetooth 5.0 DC 5V Amplifier Decoder Board8 * 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 Us

We provide the good product with the best price,we support Wholesale/Drop Shipping Order

1. 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 Payment

If you meet any problem when making the payment, please contact AliExpress Customer Service Center to ask for help:  //helppage.aliexpress.com/buyercenter/index.htm

About Shipments

1.We will send out the orders ASAP within 2-5 days(except weekends and national holidays) once your payment is completed normally.

2.Please write your complete delivery address with correct phone number and zip code, especially Russia and Belarus buyers, please confirm your full name. 

3.Please notice that we will not responsible for customs duties.Please do the customs clearance by yourself.

4.We provide both post shipping and express shippings.For most countries, post shipping takes about 25-35 business days, and longer for some countries like Brazil, Peru.

Express shipping inlcude DHL, EMS, AliExpress Premium Shipping and Special Lines like Aramex. It takes about 7 days.(It will delay if your country meet some problem,Worker strike,weather problem and so on.)

About After-sale Service

We 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 Feedback

1. 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 5 star positive feedback.

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