Ketfe Glass Pour-Over Coffee Maker Projection there is a black layer

there is a black layer behind of the gray layer

Input Voltage: 5V USB charging

Playing time: up to 3~4 hours

Dual alarm

Each piece also comes with the iconic airtight sealing cork

Ketfe Glass Pour-Over Coffee Maker Projection there is a black layerDESCRIPTION Sophisticate design impressed by glass enthusiasts. Indulge yourself with this handcrafted coffee and great design emphasizing the glass vessel's hourglass like beauty. Fill the stainless steel filter with your favorite coffee, then slowly and carefully pour hot water over the grounds. Once coffee is fully brewed, without removing the filter like traditional coffee maker's design to serve with style through the maker's narrow mouth. Carafe