HD Audio，Noise Cancellation，3.5mm Headset Jack，Belt Clip ,Quick charge，Bluetooth 5.1，Vibration alarm，OTA Upgrade

User Friendly Wireless • Transmission • High Expandability • Efficient Installation and Provisioning

• New modern commercial design, more compact and easy to carry • 2.4’’ 240 x 320 TFT color screen with intuitive user interface • Up to 21-hour talking time (in ideal conditions) • Up to 166-hour standby time (in ideal conditions) • Quick charging: 10-minute charging time for 2-hour talking time • HD audio and noise cancellation • Headset connection via Bluetooth or 3.5 mm jack • Vibration alarm guarantees you not miss any call, even in noisy situations • Sturdy and reliable belt clip to move freely • Meet demands in either single-cell or multi-cell solutions

• 3.7" 360x160-pixel graphical LCD with backlight • Adjustable LCD screen • Dual firmware images • T53/T53W/T54W/T57W firmware unified • Built-in Bluetooth 4.2 • Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n) • USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50 • Up to 12 VoIP accounts • Dual-port Gigabit Ethernet • PoE support • HAC Handset • Paperless label design • Wall mountable