Keep yourself at ease while listening to your favorite tunes with the comfort wireless speaker. This compact speaker sports Bluetooth® 2.1 technology which lets you pair your devices with it from up to 30 feet away to start enjoying high-definition stereo sound. You can even have hands-free calls with this speaker as it comes equipped with a built-in microphone. You will also get up to 3 hours of listening time with the speaker's 300 mAh lithium battery, making it perfect for office, outdoor, or home use.Note: The Bluetooth® logos and word mark are trademarks that are owned and registered by the Bluetooth SIG, Inc. and the use of all these marks are under license.