FSTgo Bluetooth Speaker: Stylish and Slim Portable; Built-in Lithium-ion Battery18650 2000mAh; English and Chinese User Manual ; clear highs to enjoy at home or outdoor. Plays music up to 33 feet (10 meters) from any Bluetooth-enabled device4-5 hours</br>Bluetooth: Connects via Bluetooth or a 3.5mm stereo AUX cable (included)  Load music via micro SD & USB supported; Comes with a Micro USB to USB charging cable and 3.5mm stereo cable.</br>Sound Bar System: Connect the speaker with your TV and Enjoy a High Definition SUPER stereo sound with a impressive volume whether you're lounging around the houseor partyingwalking outcampinghikingbiking and outdoor sports.No speaker this size can really give you booming bass.</br>Multi-function: Use as FM Radio with the USB cable (included) Automatically search and store channels; Build-in Mic Support Handsfree for Smart Mobile Phone</br>Perfect Speaker for Shower Beach Pool Surfing or Home; Speaker Dimensions: 43 x7x 5 cm (LxWxH); if any questions please feel free to contact us.</br></br>Product Description</br></br><br>Bluetooth Specification: 3.0+EDR <br>Frequency response: 150-1800Hz <br>DC IN: 5V/1000 mA <br>Battery Capacity:2000 mAh <br>Standby time: about 100 hours <br>Charging Time: about 2 hours <br>Music Play Time: about 4-5 hours <br>Microphone: yes FM Radio: 87-108 MHz <br>TF Card Play: Yes (Max to 32GB) <br>WM1300 troubleshooting steps:<br> <br>User manual problem: <br>there is a basic manual that comes with the speaker?? but it is best that you YouTube how to operate the item.?Please open the YouTube?? and search the name: WM1300 speaker?? you will find the more videos to operate it.">2)Bluetooth function: <br>It is wireless Bluetooth speaker?? it can be used the wireless by AUX cable?? USB and TF card?? also <br>be used the bluetooth function to play the music. <br>how to use the Bluetooth speaker to connect the Bluetooth device? <br>Firstly?? switch the speaker ?? then open your cell phones or bluetooth device's blue