Welch Allyn USB Rechargeable 3.5v Lithium-Ion Plus Handle

Lightweight & durable, the Welch Allyn 3.5 V Lithium-Ion Plus USB Rechargeable Handle is an effective device used by healthcare professionals as a power source for diagnostic instrument heads. It comes with Lithium Ion technology that powers any of Welch Allyn's 3.5V diagnostic tools, such as Ophthalmoscope and Otoscope heads, for up to 5.5 hours.