"TECHNOWORLD" High Quality. Support Bluetooth & Wireless transmission. Built-in Microphone, enjoying hand-free call. Adopt high quality audio decode chip ,let you experience perfect sound quality. Built-in charging Battery and Built-in high sensitivity Microphone, listening music anywhere. Unique water-proof design,using in bathroom, sand beach, swimming pool. While leisure, you can relax and enjoy wonderful music. Suck on back side of iPad or other tablet become a stand. Special suction cup design, could sucked on any flat surface including desk, wall,window. Suitable for car, bedroom, wash room, kitchen, office, conference, business trip, vacation etc.