BLACK+DECKER LSW321BT 20V Smartech Max Power Boost Sweeper SMARTECH iOS and Android compatible app enables Bluetooth controls allowing remote battery locking/unlocking, battery locate, state of charge and programmable alerts and reminders Battery contains a built in USB port for charging phones, tablets, mp3 players - (1) LBXR20BT SMARTECH battery included POWERBOOST increases power to clear stubborn debris; up to 130 MPH sweeping power POWERCOMMAND Family of tools; EASYFEED, POWERCUT, POWERBOOST - helps solve common user frustrations when using Outdoor Power Equipment Part of the 20V MAX System - 1 System. Endless Tasks. Power for your Style