You can hurt her when you are on a public walk or mountain climbing! RGB light effect is very cool, and is a variety of color combinations. This is an analog Bluetooth speaker, waterproof to IPX6, bluetooth wireless speakers, or portable speakers. And the beautiful sound quality along the way, which I think is the best Choice. Bluetooth is the latest version 5.0, with more stable and longer transmission distances. It's also faster. The size is also suitable, three hands can easily hold, a variety of colors, men and women can use, to meet your picky choice. Function Bluetooth, handsfree, TF card, U disk, AUX,TWS,and IPX 6 Material ABS+Rubber+Fashion fabric+Silica gel Charging Port USB Micro Charge DC 5V Color Black, blue…