Dimension:4.Zero x Four.Zero x 3.5 cm Compatible with Bluetooth 2.1 5V DC charging Transmission distance: not lower than 10 meters Size of audio cable:50cm Length of USB cable:30cm Compatible Modes: Telephones Sound Device, iPhone, Samsung, iPad, iPhone, LAPTOP, and so on. Methods To use it: 1.Connect this product with the speaker by using connected Three.5…