The Einhell TC-SR 18 Li BT cordless speaker makes it easy to connect to all Bluetooth-enabled devices such as smart phones or tablets. In addition, the speaker has an AUX connection for connecting an MP3 player or smart phones, plus a USB connection for charging a smart phone, tablet or MP3 player. An intuitive control panel makes it easy to use. Part of the Power X-Change cordless system, the Einhell TC-SR 18 Li BT can be used with any Power X-Change battery and shares battery compatibility with all other Power X-Change tools. Features & BenefitsA member of the Power X-Change familyEasy connection with the device thanks to BluetoothAUX connection for connecting an MP3 player, mobile phone, etc.USB connection for charging a mobile phone, tablet or MP3 playerIntuitive control panel makes it easy to use SpecificationsBattery Type: Power X-Change (Li-ion)Battery Voltage: 18vVoltage Output USB: 5vCurrent Output USB: 2aSpeaker Output Power: 2 pieces x 3wMax