Anker Portable Bluetooth4.2 speaker 24 hours continuous playback dual driver / wireless speaker / built-in microphone installed (red)

High quality: Enjoy music in high quality stereo with dual drivers and patented spiral bus port. The distortion of the sound is suppressed to less than 1%, and the clear sound as if it was played on the spot is realized.;Amazing continuous playback time: Built-in lithium-ion battery and industry-leading power-saving technology enable long-term continuous playback of 24 hours / 500 songs. Great for outdoor activities and travel. You can also check the battery level from the paired iPhone or iPad (* Only compatible with iOS 6 and above).;Bluetooth4.2: Compatible with all Bluetooth devices. You can immediately connect a smartphone or tablet within about 20m. It remembers the last used device and automatically reconnects. It has a built-in microphone and can be used for hands-free calling.