The GDS® Hand Strap for Zebra ET4x and ET401 10” Enterprise Tablet (RAM-GDS-HS2-ZE21U) is an add-on accessory that replaces the tablet's battery cover to enable the included ergonomic GDS® Hand strap accessory. This add-on accessory works with the Zebra ET4x 10" with or without the Rugged Boot, or an IntelliSkin® protective case using the existing hardware. This ergonomic accessory for the Zebra ET4x and ET401 10" utilizes the attached hand strap for a comfortable grip on the tablet while on-the-go. Always Protected. Always Connected.®