Retro Classic Bluetooth Keyboard has built-in is a ginormous 5, 000mAh Li-ion rechargeable battery. Up to a year on a single charge without backlight and 1 to 2 months with backlight.
Retro Classic Bluetooth Keyboard has built-in is a ginormous 5, 000mAh Li-ion rechargeable battery. Up to a year on a single charge without backlight and 1 to 2 months with backlight.