Sawolol Mushroom Mini Wireless Portable&nbsp;Bluetooth 4.1 Speakers with Mic for Iphone /Ipad /Laptop Samsung HTC Lg Sony Cell Phones (Sky Blue) Easy to use and remove: Adheres on the Back of the Phone,any flat in your Car, glass, mirrors and other non-porous surfaces. Built-in Li-Ion rechargeable battery: Approximately 2 hours broadcast playtime by rechargeable battery with 280mAh capacity. Bluetooth wireless speaker with Microphone: Compatible with iPhone 6 6s plus, iPad, Samsung Glaxy 4 5 6 Edge Note 4 5,and all Bluetooth Devices. Red and Blue indicator light reminding: With this function, you can clearly know the status about the speaker that red indicates the status of charging and blue indicates the status of matching.