Featuring 360° surround sound, this wireless Bluetooth subwoofer speaker will amplify the audio from your mobile phone, tablet, computer, or laptop. It uses Bluetooth 4.2 technology to give you up to 10 meters of wireless connectivity. It also has a built-in FM radio function so you can listen to popular radio music. With 1,500mAh battery capacity, this speaker will last for up to 6 hours. Enjoy continuous wireless playback!