Soyntec Vipfoner 290. Display: LCD, Backlight colour: Green. Microphone frequency: 100 - 15000 Hz. Interface: USB. Weight: 63.5 g, Dimensions (WxDxH): 120 x 50 x 18 mm. Package dimensions (WxDxH): 170 x 275 x 800 mm, Package weight: 0.4 kg