B16 AUX Wireless Bluetooth Receiver Support TF card Filter-Mini Keyboard fully protect the phone from

fully protect the phone from falling and scratching

It is easy for you to operate and will not damage the motherboard

26AWG OFC non-oxygen copper conductor

Put it down to charge

One-piece battery compartment

B16 AUX Wireless Bluetooth Receiver Support TF card Filter-Mini Keyboard fully protect the phone from1. Supports playing music from TF card. You can output the music in the TF card through the 3. 5mm audio port in RX mode, or output the music in the TF card to the Bluetooth speaker through Bluetooth in TX mode. 2. After inserting the TF card, it will automatically switch to music mode or manually double click the power button to switch to music mode (if it cannot be switched, please format the TF card and check whether the music is in MP3 or WAV