The Gigaset Comfort 550HX cordless phone works with routers that support DECT/CAT-iq and can be used for VoIP telephony. It features a 2.2-inch TFT color display with a resolution of 220 × 176 pixels and support for 65,536 colors. Its ergonomic design, large keys, and hearing aid compatibility make it easy to use.

The phonebook stores up to 200 contacts, while the call list retains the 60 most recent calls. The NiMH battery provides up to 17 hours of talk time and up to 320 hours of standby time.

• Type: DECT cordless phone
• Color: Black
• Display: 2.2-inch TFT color display
• Display resolution: 220 × 176 pixels
• Display colors: 65,536
• Phonebook: Up to 200 contacts
• Stored calls: 60 most recent calls
• Headset jack: 3.5 mm
• Voice quality: High definition
• Radiation: Low
• Compatibility: Routers with DECT/CAT-iq
• Battery: Rechargeable NiMH
• Talk time: Up to 17 hours
• Standby time: Up to 320 hours
• Features: Eco, caller ID, speakerphone, call blocking
• Ease of use: Simple