Yealink W57R IP phone Black 2 lines TFT

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