Xteink’s tiny e-readers are 20 percent off for Prime Day (opens original article in a new tab)

Xteink's X4 and X3 e-readers are on sale during Amazon's Prime Day, offering discounted prices and unique features like magnetic mounts for smartphones.

• Xteink X4 and X3 e-readers are discounted to $55.20 and $63.20 respectively during Amazon's Prime Day sale.
• Both devices are smaller than Kindles and Kobos, with magnetic mounts for MagSafe-compatible smartphones.
• X3 has improved button layout and compatibility with smaller smartphones, but uses a proprietary charging cord.