Marschpat InkPad 4; digital marching book for marching music; 7.8 inch (19.8 cm) E-Ink Carta display; SMARTlight to regulate light conditions according to the time of day; water protection according to IPX8; internal memory of 16GB; Bluetooth 4. 0; WiFi; loudspeaker; read-aloud function available; scope of delivery: e-reader, USB-C cable, quick-start guide, documents; battery life: up to 4 weeks; dimensions (W x D x H): 135 x 8 x 190 mm; weight: 265 g; colour: Stardust silver; for use as a digital marching book, a paid German-language account is required at web.marschpat.com