3 year limited manufacturer warranty

Unfolded dimension: 10" x 13"

axillary or rectal temperatures

The rechargeable lithium battery lasts a minimum of 3-4 hours and may be charged via USB port

Phone Guards - Large (100-ct) SC 3 year limited manufacturer warrantyLarge Size (100 Covers per Package) The phone guards will help protect your headphones and students from cross contamination of any germs. These phone guards, or ear cushion covers, fit most models of head phones used during a hearing exam. The phone guards slip over the ear cushion to keep the users ears comfortable, clean and healthy. The phone guards will also help keep the headphones sanitary during several uses.