Q1: Why the computer or phone recognizes it, pairs to it as to Audio device? A: Because the default mode is SPP, after change it to HID mode, the computer/phone will pairs to it as to Keyboard device. Q2: How to change it to HID Mode? A: Please open the 'Instructions for Use' document, then use R70 scan Bluetooth HID Mode barcode. Or scan below 1D barcode directly. Read more User Interface LED: Tail indicators 3 RGB LEDs located at the back side of the device (programmable), Radio status 1 Red/Blue LEDs located on the top side of the device; Beeper: Up to 70 dBA, 10cm from the back of the device beeper port; Button: Scan Button × 2, Power Key (programmable), Customize Button (programmable); Scan Triggering: Manual or Automatic via Proximity Sensor Technology. Scanner Performance 1D 2D Scanner Scan Engine: Zebra SE2707 lllumination: 1 Hyper Red 660nm LED Aiming LED: 610nm Amber LED Resolution: 640 horizontal x 400 vertical pixels Parameter Focal Distance: 7.64 inch, from front of engine Field of View (FOV): 42° horizontal, 28° vertical Scanning Angle: Tilt: 360°, Pitch: +/-60°, Skew: +/-60° Print Contrast: 20% Barcode Type Aztec Code, Code 11, Code 16K, Code 128, Code 2 of 5, Code 39, Code 49, Code 93, Data Matrix, EAN/JAN-13, EAN/JAN 8, EAN-UCC Composite Codes, EAN-UCC Emulation, Matrix 2 of 5, MaxiCode, MicroPDF417, MSI, PDF417, Postal Codes，RSS-14, UPC-A, UPC E, etc. Read more Multiple Applicable Occasions Package Content What's in the Box ? Ring Scanner x 1, Adapter x 1, USB Cable x 1, User Guide x 1 Read more