Use and Care Manual
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connect to a standard USB power source with 5 volts (for example: 
charger, power bank, computer USB socket, etc.). While using the 
external USB power, it can supply maximum 500 mA of buss power 
specified by the USB 2.0 standard to the attached USB device. 
Note: Do not use a power supply higher than 5 volts, otherwise it may cause 
damage to WIDI Uhost or the attached USB device. 
  The push button on the right side of the interface is used for specific 
operations (please confirm that the WIDI Uhost USB and Bluetooth 
firmware has been upgraded to the latest version). The following 
operations are based on Bluetooth firmware v0.1.3.7 or higher: 
-  When the WIDI Uhost is not powered on, press and hold the 
button and then power on the WIDI Uhost, after the green LED 
light flashes 3 times please release it, then the interface will be 
manually switched to the factory default. 
-  When the WIDI Uhost is powered on, press and hold the button 
for 3 seconds and then release it, the Bluetooth role of the 
interface will be manually set to "Force Peripheral" mode. If WIDI 
Uhost has been connected to other BLE MIDI devices before, 
this operation will disconnect all connections. 
  There is a magnet inside the back of WIDI Uhost, which can be easily 
pasted on the device with the attached magnet patch. 
Note: Do not place this product close to devices that are susceptible to magnetic 
interference, such as credit cards, medical equipment, computer hard drives, etc. 










