The ruggedized handset is drop proof and IP65 dust-tight and water resistant. Conversations are safe and secure with DECT™ wireless security. Maintain DECT™ encryption even when you add a base or repeater to your solution. Enable employees on the move to communicate more effectively, respond faster to requests and alerts, and be more productive with up to 18 hours of talk time and up to 300 hours of standby time. Communicate hands-free with a Poly wired headset using the dedicated 3.5 mm connection. Perfect for users who feel more comfortable wearing a headset.