NO battery:Keep cranking the handle to play music."Can't Help Falling in Love"music melody,it is a Valentine Gifts for Birthday or Christmas.Hand Crank Music Boxes: Keep cranking the handle to play Can't Help Falling in Love that doesn't need any battery, the crank is easy to move and kids also can do it easily. This unit plays the 18 note song only while you turn the handle, playing the song in a steady but slow pace lasts about 30 seconds, and then you can repeat it!Vintage design This music box is woody. The exquisite surface carved by hand in imitation of ancient times bring you into a magic world.Ideal Gift for Valentine Gifts: High-quality hand-operated music box toys for kids and adults. The great present anyone could wish for.Thoughtful present for your beloved girlfriend, women, baby, daughter, son, dad, mom, friend on New Year, Christmas, birthday, valentine's day, anniversary to remind her how much you careCute and Tiny Music boxthe size is 2.55"2.16"1.57"6.5cm5.5cm4.0cm) you can put it in your Palm,the music box can bring a wonderful music sound --Can't Help Falling in Love