Cisco Wireless IP Phone 8821 World mode - Cordless - Wi-Fi, Bluetooth - 2.4in Screen Size - USB - Headphone - 11.50 Hour Battery Talk Time - Black

IP54-rated for protection against dust, splash, and water The phone supports third-party Bluetooth 3.0 headsets and a 3.5-mm headphone jack for added freedom Battery life delivers up to 11.5 hours of talk time The Applications key provides direct access to XML applications such as push-to-talk and Lone Worker MIL-STD-810G standard for shock resistance IEEE 802.11a/b/g/n/ac radio for VoWLAN communications support The large 2.4-inch (6 cm) color (240 x 320 pixels) display makes viewing easy A built-in full-duplex speakerphone offers high-quality hands-free communications The phone offers exceptional voice quality with High-Definition (HD) voice Enhanced encryption support for SHA-1 and SHA-2 signatures