- 3.5-inch color IPS LCD main display screen
- There is also a 6-button secondary display that supports 12 speed dials and contacts
- Poly NoiseBlockAI and Poly Acoustic Fence technology eliminate background interference noise from the source
- hp poly HD Voice: High-definition voice quality with enhanced bass response.
- Designed with NFC technology and integrating advanced functions
- Surround Status Indicators: Keep you informed of incoming calls.
Specification sheet
https://support.hp.com/tw-zh/product/product-specs/edge-e400,-e450-series/model/2101722161