Blizzow Desk Book Stand Holders for Reading Hands Free, Durable Metal Adjustable Book Stand, Sturdy Lightweight Foldable Portable Bookstand -Cookbook, Recipe, Tablet, Music Book, Documents (Pink) Pink workwarehouse Raised calibrations show 1⁄16 inches

Raised calibrations show 1⁄16 inches on one edge

Radio Frequency IC

can last for long-term use

iPad Pro 11 Gen 2/1 Samsung Galaxy S22 S22+ S22 Ultra

1pH( T1-T2 ≤ 5℃ ) ±0

Blizzow Desk Book Stand Holders for Reading Hands Free, Durable Metal Adjustable Book Stand, Sturdy Lightweight Foldable Portable Bookstand -Cookbook, Recipe, Tablet, Music Book, Documents (Pink) Pink workwarehouse Raised calibrations show 1⁄16 inchesBlizzow Desk Book Stand Holders for Reading Hands Free, Durable Metal Adjustable Book Stand, Sturdy Lightweight Foldable Portable Bookstand Cookbook, Recipe, Tablet, Music Book, Documents (Pink) Adjustable Metal Reading Rest Tablet Study Room Book Holder Foldable Cookbook Stand Feature: Hands free and no assembly required, make you enjoy learning or working. The reading book holder can be adjusted at multiple angles, to prevent children from myopia.