Giant Aurora Music Mat Manufacturer in China Provides Giant Aurora Keyboard Mat, 8 Instruments, Light up Keys, Touch Sensitive, LED Light Up Mat. Product Specifications: Series: Instruments Name: Giant Aurora Keyboard Playmat Item SLW989 Mat Size: 260 x 74 cm Package Size: 90 x 17 x 40 cm Battery: 4 x 1.5V âAAâ (not included)Information: 5 modes to select: record mode, play back mode, DEMO mode, learning mode, tone mode 8 instruments to change tone Light up keys MP3 plug-in Adjustable volume Touch sensitive playmat