Portable Barcode Scanner,Symcode 1D Mini Wireless Handheld CMOS Barcode Scanner Reader for POS/Android/iOS/iMac/Ipad Wireless operation more conveniently. Small size with large storage, portable and endurable. Adopt 650nm visible laser light,200times/second scan speed.Built-in 512K flash memory for off-line bar code storage. Support connection with smart phones, tablets, PC based on windows xp/7.0/8.0/WinCE, Windows Mobile, Android OS, iPhone/iPad etc. Battery: 3.7V 1000mA Li-ion,continue work for 8hours,and charge time is 3hours. Verclass 4.0 +EDR with coverage 10meters rangeSupport HID virtual keyboard mode.NoteScanner doesnt scan barcodes on device screens or qr codesNeed more information,please feel free to contact customer service. Bluetooth Connection : The transmission distance is about 10m/33ft. 2.4GHz Wireless Connection : The transmission distance is about 100m/330ft outdoors30m/100ft indoors.