-Waterproof grade: IPX4 (Not for using under water or swimming)
-Buttons/Interfaces: ON/OFF Button, 1 x DC 2.5mm USB Interface, Play/Pause, Previous/Volume-, Next/Volume+, Talking key.
-Working Voltage: DC 5V 2.5mm
-Working Distance: within 10m
-Built-in Lithium Battery: not removable chargeable lithium battery. (with USB cable for charging)
-Function: microphone, handsfree answer and call, wireless bluetooth speaker playing audio files, super sucker function, speaker volume will display on screen while connected with iPhone.
-Great sound and improved volume control for premium music experience.
-Built-in mic for you to answer phone call, can switch songs and control volume.
-With a suction cup that can be attached to wall or any flat surface, also can suck on back side of iPad or other tablet become a stand.
-Auto Pairing feature for easy connection.