Product information : Color: blue, pink, green Product silicone shell: white silicone shell Material: silicone sleeve +ABS built-in magnet+electronic components Product function: key control light (white light is always on, red light flashes, red light flashes slowly, red light is always on and the light goes out) Product capacitance: 3.7V Size Information: Product specifications: 16.5*3.7cm Packing list: Warning signal lamp *1
