WP816 Cordless Wi-Fi IP Phone with Integrated Dual-Band 802.11a/b/g/n/ac/ax and 6-hour talk time The WP816 includes advanced antenna design and roaming support. By adding 6-hour talk time and HD voice with dual-MICs, the WP816 offers an affordable option and comes equipped with a combination of features, mobility, and durability to suit all portable telephony needs. Dual-band Wi-Fi with efficient antenna design and advanced roaming support 2 SIP accounts, 2 lines HD voice & dual MIC design with AEC and Noise Shield Technology Rechargeable 1500mAh battery, 6-hour talk time, 120-hour standby Integrated Bluetooth to connect headsets Configurable button for push-to-talk Type C USB port (supports fast charging) and 3.5mm headset jack Accelerometer, emergency button Grandstream WP816 Cordless Wi-Fi IP Phone Features & Specifications: Dual-band Wi-Fi 6 with efficient antenna design and advanced roaming support 2 SIP Accounts, 2 Lines HD voice & dual MIC design with AEC and Noise Shield Technology Protocols/Standards: SIP RFC3261, DNS (A record, SRV, NATPR), DHCP, SSH, NTP, STUN, LDAP, TR069, SNMP, STRP, RTP/RTCP, RTCP-XR, TFTP, SIMPLE, HTTP/HTTPS, TCP, UDP, TLS, ARP, ICMP, IPv4, IPv6, 802.1x Integrated Bluetooth to connect headsets Rechargeable 1500mAh battery, 6 hour talk time, 120-hour standby Configurable button for push-to-talk Type C USB port (supports fast charging) and 3.5mm headset jack Mobility Has Never Been This Easy A sleek design, ergonomic shape, easy-to-use interface, and Wi-Fi 6 combine to maximize mobility in all environments Superior Wireless Performance By supporting Wi-Fi 6, the WP816 provides maximum wireless performance, reliability, and capacity Easy-to-Customize Personalize the WP816 for any user through customizable soft keys, quick access key, push-to-talk, and more Push-to-Talk Noise Shield Technology Easy-to-Connect