EXQUISITE APPEARANCE ??Round shape?? black & white color?? good handling feeling and fashion design??</br>MORE PORTABLE??Built-in 300mAh lithium battery?? play time up to 5 hours?? the size only 4.8 x 1.6 inch?? you can put it in your bag and sing a song whenever & wherever you want.??</br>ECHO MIXING MODE (Capacitive metal microphone pickup?? built-in multi-core audio chip?? pick up sounds from your environment easily)</br>SIMPLER CONNECTION Support iphone?? ipad?? Android & tablet and most K song apps.(NOTE: When connected with iphone7?? you should connect the earpho