Because the whole compressed package is too large to send to customers, we have uploaded all the videos to Tencent,

If the video feels a little fuzzy, please contact us. Send it to you in HD,

Other videos, please watch at the following link

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In the use of chips or modules, we have recorded relevant instruction videos: if you are interested, you can have a look in advance
---Please select "HD" for website browsing
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01 bt201 dual mode Bluetooth audio module data transmission serial port at control firmware update demonstration:

https://v.qq.com/x/page/f0766kfjzob.html

02 Bt201 dual mode Bluetooth audio module? Ble data transmission serial port at control support music demonstration

https://v.qq.com/x/page/q07660m1bta.html

03 bt201 dual mode Bluetooth audio module spp data transmission serial port at control support music demonstration

https://v.qq.com/x/page/b0766jqw0p5.html

04 bt201 dual mode Bluetooth audio module spp data penetration function test demonstration

https://v.qq.com/x/page/e0766bz15fw.html

05 "bt201 dual mode Bluetooth audio module" ble data penetration function test demonstration

https://v.qq.com/x/page/o0766ubm78n.html

06 Bt201 module test method and serial port test method

https://v.qq.com/x/page/h0767kjnh6z.html

07 large data transmission demonstration of ble and spp of bt201

https://v.qq.com/x/page/c0843j975hl.html