Built-in 12W drivers and DSP technology, EarFun Go speaker was engineered to spread deep, immersive stereo sound that fills any room or space. You can enjoy your music in every corner of your room. EarFun G delivers true stunning sound with enhanced bass without distortion at any volume. Featuring Bluetooth 5.0, this speaker ensures stable music time and no audio delay. It also works great with Amazon Echo and Amazon Echo Dot. EarFun Go Bluetooth Speaker offers a wireless connection up to 99ft range from your smart devices. The rechargeable lithium-ion battery plays up to 24 hours for full-day listening. And with a flexible strap, it’s designed to go wherever you want to bring the music.