【LONG PLAYTIME UP TO 16 HRS】Our usb powered desktop PC speakers equipped with a durable built-in 1500 mAh rechargeable battery that can play music up to 16 hrs. continuously after being fully charged, allowing you to listen to 250 of your favorite songs. The mini monitor speakers’s battery is powerful enough to produce a loud HD stereo sound in a wide range, and with the long life of the battery, you will be able to take your tunes with you to picnics, beaches, outdoor parties
【ADVANCED BULIT-IN MICROPHOE】Our wireless Bluetooth PC Speaker contains a professional built-in microphone that allows you to conveniently pick all your phone calls with hand free when it is connected to your smartphones thru bluetooth or audio cable. The advanced mic. in our wireless speakers utilized the latest noise reduction technology to isolate external electromagnetic interference ensuring every layer of the audio is delivered clearly .