Kejee M1 Ultra-Portable Wireless Wood Bluetooth Speaker Built-in Microphone And AUX Jack Works For Cell Phones Pad And PC Can connect any Bluetooth device: Smart phones, pads, laptops and desktops, MP3 & DVD players and so on, and also 3.5mm audio jack for non-Bluetooth devices. Built-in 1200mAH poly-lithium battery can play music for up to 10 hours, Support MP3 playing stored in TF card, Support AUX input.Built-in microphone can make or answer hand-free call on your phone. Portable size( 3.7* 3.7*2.2 inches) is suitable to carry, no matter where you are (outdoors, car, home, etc.), entertainments are always around you. Kejee M1 Wooden Bluetooth speaker is carefully designed by heart, not only combines the professional technology like wooden cavity, optimized audio curve, practical function, but also the artistic appearance elements like retro, original, nature, leather, truly gives you high quality audio and art enjoyment. Kejee M1 Wooden Bluetooth Speaker can provide you 1 Year Warranty.