Don’t need any driver, plug and play. 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).