Mobile phone Speakers With special particular patent in worldwide - expansile ... x 35.5mm/52.5x 70.mm Net weight: 100g Speaker: 36mm x 2 Input: L/R280mV Power output: ... °C Applicable for MP3, MP4, laptop, PC, MD, mobile phone, and more, all kinds of digital player devices With the ... rights of magnet portable technique Built-in magnet inside the speaker case, that will combine the 2 speakers together, ...