The Yealink W78H (SIP-W78H) is a DECT handset for business calls with compatible Yealink base systems. Its 2.4-inch colour screen has a 240 × 320 resolution, giving you a clear interface for everyday call handling.
For private or hands-free calling, connect a headset using Bluetooth 5.1 or the 3.5 mm jack. Yealink lists compatibility with its W70B base and W75, W80, and W90 multi-cell systems, so the handset can be used in supported single-cell or multi-cell setups.