HC-3206R 2D Wireless Barcode Scanner 
 
Cradle and USB dongle are optional.
Super battery capacity up to 2200mAh.
Read all 1D and 2D code on screen and paper.
Communication model: 2.4G, Bluetooth and USB-Type-B cable.
Communication distance (open air): 2.4G:100meters BT: 40meters.
Charge time is 3 hours and continuous scanning time is 24hours.
Support double firmware upgrade online: wireless and decoder.
Three LED indicator : Green(decoder light) Red(charge light), Blue(Connection success).