Unlike typical rechargeable speakers with short-lived batteries, this portable wireless speaker can stream music continuously for up to 20 hours on a single charge. Its high-capacity 800mAH lithium polymer battery stores enough power to play music all day and long into the night. Roughly the size of a tennis ball, the speaker’s three-watt driver has a 150Hz-20KHz frequency range that delivers robust sound when paired with a Bluetooth-capable phone, tablet, or MP3 player up to 45 feet away. It has volume and track controls, an intelligent power-off system that conserves battery life, and a built-in microphone that lets you answer calls from a paired phone. The included magnetic base has an adhesive backing that allows the speaker to be mounted on a wall, car dashboard, or other vertical surface and easily removed for use elsewhere.
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