The Gigaset COMFORT 600 SIM cordless phone makes calls over 4G LTE networks and supports VoLTE. It features a 2.4-inch colour TFT IPS display with a QVGA resolution of 240 x 320 pixels, hands-free operation and HD sound. The three speed-dial keys, A, B and C, provide quick access to selected contacts.

It operates independently with a nano-SIM card and stores up to 500 contacts. The block list and trusted numbers list each hold up to 50 entries, while the rechargeable lithium-ion battery is replaceable. Charging is done via the charging cradle or USB-C.

• Type: IP cordless phone
• Networks: 4G LTE, UMTS, GSM
• Call support: VoLTE
• GSM frequencies: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
• UMTS frequencies: 900 MHz, 2100 MHz
• LTE frequencies: 700 MHz, 800 MHz, 850 MHz, 900 MHz, 2100 MHz, 2600 MHz
• Display: Colour TFT IPS, 2.4 inches, 240 x 320 pixels
• Touchscreen: No
• Sound: HD, hands-free
• Speed-dial keys: 3 (A, B, C)
• RAM: 64 MB
• Internal memory: 128 MB
• Phonebook capacity: Up to 500 contacts
• Block list: Up to 50 entries
• Trusted numbers list: Up to 50 entries
• SIM card: Nano-SIM
• Connectivity: Bluetooth 5.0 LE, USB-C 2.0
• Bluetooth compatibility: Headsets and M4/T4 hearing aids
• Battery: Replaceable lithium-ion, 1000 mAh
• Talk time: Up to 9 hours
• Standby time: Up to 300 hours
• Battery technology: Gigaset BatteryLife+, with a preset charge limit of 80% to extend its service life by up to 50%
• Dimensions: 155 x 52 x 18 mm
• Weight: 119 g
• Colour: Black
• Package contents: Handset, charging cradle, belt clip, battery, power adapter with 1 m cable