Zebra WS101-H, portable Bluetooth communication device

?    Wearable Bluetooth communication device ?    Model: WS101-H (Healthcare version, blue) ?    Dimensions: 48 x 48 x 15 mm ?    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 ? 8 kHz ?    USB-C port: no?    Push-to-Talk (PTT)?    Emergency button ?    Capacity: 480 mAh, 3.85 V ?    Battery life: up to 12 hours of talk time?    Protection rating: IP65