VOBAGA 13.5oz Self Stirring Mug for Office Desk

Food‑Grade & Scale Marks Made of safe food‑grade high‑borosilicate glass with clear scale marks, helping you measure beverage volume precisely for your daily drinks. Built‑in USB Charging Port Comes with integrated USB charging port. Convenient to recharge, no need to replace batteries frequently. Detachable Stirring Paddle The stirring paddle is fully detachable. Take it apart easily after use to clean away leftover residues and maintain good hygiene. Leak‑Proof Lid with Seal Ring Equipped with a silicone seal ring on the lid. It forms tight closure to prevent liquid spills for secure daily use.