amtonseeshop Waterproof Mini Mushroom Wireless Bluetooth Speaker (Blue) Incredible sound quality in a small space saving speaker that fits in your hand Portability: suction cup can attach to most smooth surfaces (even your phone!) and be used anywhere for convenient use Built-in Microphone for hands-free conference calls when paired with your phone Bluetooth wireless connectivity: Pairs with any Bluetooth device (smartphone, tablet, etc.) and streams great quality audio! Soft silicone cover with built-in volume controls