Zebra WS101-H HealthCare Wearable Bluetooth Communication Device for efficient communication tool has been specially developed for use Hospitals & Healthcare Clinics - Zebra WS101 Wearable Bluetooth Communication Device, black, Size: 48mm x 48mm x 15mm, Bluetooth: 5.4 (Class 1 & Class 2), NFC: Tap-to-Pair support, Microphone: built-in, with noise cancellation, Transmission: 27 Hz 20 kHz, Reception: 300 Hz 8kHz, USB-C port: yes (charging), Push-to-Talk (PTT), Emergency calling button, Capacity: 480 mAh, 3.85V, Battery life: up to 12 hours of talk time, Protection rating: IP65