2" 240 x 320 color screen with intuitive user interface Drop-safe from 1.8-meter height Built-in dual-band Wi-Fi (2.4GHz/5GHz) Support IEEE802.11k/v/r roaming Support WPA / WPA2-PSK and 802.1X EAP encryption Built-in Bluetooth 5.0 can be used to connect wireless earphone Support vibration function Support 16 DSS Keys and one configurable push-to-talk (PTT) button for speed dial Up to 9 hours of talk time and up to 200 hours of standby time