The Dewalt DCR009-XJ Bluetooth Dewalt Mini Rechargeable Speaker is designed to play/stream audio via a wireless Bluetooth� connection to a mobile phone or other audio device. The speaker is equipped with an LED indicating the battery charge status and the charging status of the device. The communication range is recommended between 3m and 9m but has a max range of 30m (approx. 90ft)Dewalt Mini Rechargeable Speaker Features:Hot / Cold Delay:The speaker detects that the battery is too hot or too cold, it automatically starts a hot/cold delay, suspending charging until the battery has reached an appropriate temperature. The speaker then automatically switches to charging mode. This feature ensures maximum battery life.Timeout Functionality:To conserve battery life, the speaker is designed to power off automatically after fifteen minutes of inactivity. This inactivity could be due to the device being unpaired for fifteen minutes or the Bluetooth� connection being broken for the same period of time.53mm Passive Speaker ensures class leading sound performance and 86db at max volumeIntegrated Li-ion Battery provides up to 16 hours battery life at 50% vol and fully charges in 2 hoursBluetooth 5.0 Pairing Connection allows user fast, reliable pairing with up to 30m connection distanceRugged Design With IP67 Rating provides unit with the highest levels of protection against dust and liquids ensuring unit is robust enough to withstand jobsite conditions USB-C Charging Port leverages latest USB connection method ensures universal use with any USBC small device chargers Front Control Buttons allows user to control audio directly from unit with the integrated volume down/up, BT pairing, power, play/pause buttonLanyard With Buckle ensures unit is easy to transport can be hung from backpack, belt or any jobsite structure Incoming Calls:If your phone receives a call while it is connected to the speaker, it will pause the Bluetooth� connection.