Adjustable Ophthalmic Trial Lens Frame Durable Design Steven Supports Multiple Headphone Types thanks

Supports Multiple Headphone Types thanks to switchable low/high impedance modes designed for 16Ω–300Ω headphones

and LCD display show power level and operational status for convenience

Power Source: Lithium battery

Sturdy steel frame with non-slip supports for stable

and online meetings to the next level with ultra-clear 4K visuals and crystal-clear audio

Adjustable Ophthalmic Trial Lens Frame Durable Design Steven Supports Multiple Headphone Types thanksDesigned for eye care professionals and optical enthusiasts alike, this trial lens frame makes eye exams precise and effortless. Its lightweight, durable construction allows for comfortable extended use while supporting multiple lenses for comprehensive testing. Key Features Accommodates up to 5 pairs of trial lenses for versatile vision testing Fully adjustable temple length and angle for a secure, personalised fit Sliding rack and pinion mechanism