Yealink W57R IP phone Black 2 lines TFT

Microphone mute: Yes | Anonymous call rejection: Yes | Talk time: 40 h | Display: TFT | Input frequency: 50/60 Hz | Display diagonal: 4.57 cm (1.8") | Protection features: Shock resistant | Protection features: Dust resistant | AC adapter input voltage: 100 - 240 V | Product colour: Black | Bluetooth: No | Noise reduction: Yes | DECT connectable: Yes | AC adapter output voltage: 5 V | Storage temperature (T-T): -30 - 70 °C | Display resolution: 128 x 160 pixels | Keypad number of keys: 25 | Ethernet LAN: No | Frequency range: 100 - 7000 Hz | Power over Ethernet (PoE): No | Device lock: Yes | Protection features: Spill resistant | Battery technology: Lithium-Ion (Li-Ion) | Battery voltage: 3.7 V | Anonymous call: Yes | Graphical user interface (GUI) language: Multi | Product type: IP Phone | Wi-Fi: No | Headset connectivity: 3.5 mm | Protection features: Splash proof | Operating relative humidity (H-H): 10 - 95% | Direct call: Y | Operating temperature (T-T): -10 - 50 °C | Battery capacity: 1460 mAh | Full duplex: Yes | Standby time: 575 h | Input current: 0.2 A | Protection features: Scratch resistant | Protection features: Drop proof | Maximum outdoor range: 300 m | Mounting: Desk | Touchscreen: No | Integrated voicemail: Yes | International Protection (IP) code: IP54 | AC adapter output current: 0.6 A | Maximum indoor range: 50 m | Call hold: Yes | Phonebook capacity: 100 entries | Conference call: Yes | Do not disturb function: Yes | Intercom: Yes | Answering machine: Yes | Base station: Yes | Handset weight: 183 g | Caller ID: Yes | Emergency call: Yes | Number of handles included: 1 pc(s) | Call forwarding: Yes | Handset: Yes | Handset dimensions (WxDxH): 51 x 24 x 157 mm | Redialing: Yes | Speed dialling: Yes | Vibrating alert: Yes | Speakerphone: Yes | Lines quantity: 2 lines | Call waiting: Yes | Charger: Yes | Backlight keypad: Yes | Call history: Yes | Number of melodies: 9 | Handset type: Wireless handset