The Grandstream WP825 is a wireless IP phone designed for use in businesses and other professional settings. It features a 5-inch HD touchscreen display, built-in Bluetooth, dual-band WiFi, and supports up to 6 SIP accounts. It also has a 16-hour talk time battery and supports fast charging.

The WP825 is designed to work with Grandstream's UCM series of IP PBXs, but can also be used with other SIP-based phone systems. It supports a range of audio codecs including G.711, G.722, G.726, and more, and has advanced security features including TLS and SRTP encryption.

The phone also includes a range of business-friendly features such as call forwarding, call waiting, call transfer, and more. It also has support for up to 5-way audio conferencing and supports up to 3-way video conferencing.

Overall, the Grandstream WP825 is a feature-rich wireless IP phone that is ideal for businesses looking for a reliable and flexible phone solution.