The Yealink W59R is ruggedized high premium DECT handset has Bluetooth built-in. It's compatible with the Yealink W80 Multi-Cell System.
 
Key Features:
Seamless handover and roaming
Rugged DECT handset with IP67 protection rating
Scratch resistant, disinfectant resistant
1.8’’ 128x160 TFT color screen with intuitive user interface
HD voice and FNR (Flexible Noise Reduction) 
Built-in Bluetooth
Vibration alarm
Alarm functions for occupational safety: push-button alarm, no-movement alarm, mandown alarm and running alarm
Up to 28 hours of talk time (18 hours with Bluetooth headset)
Up to 360 hours of standby time (200 hours with Bluetooth headset)
Keypad backlight and keypad lock
Fully compatible with Yealink W80 Multi-Cell System for seamless roaming and handover
 
Datasheet