YOOEO Cm001 USB Powered Mini Computer Speakers (white) No battery hassles: AC powered so you never have to change or recharge batteries Beautiful design,high quality materials and surface treatment.Sound graceful and clear . Connect to multiple devices, such as your smartphone, tablet or laptop ipad mp3 mp4 Mini size.Best use at company ,office ,personal room.Most effective to save space on you table.gives you the freedom to play your favorite music. Plug and play simplicity: Super-easy setup; Just plug the speaker into your device and start listening