`- Speakerphone size: (Ø) 132.5 x (h) 35.5mm
- Speakerphone weight: 320g / 11.28 oz
- 8 touch buttons
- Connectivity: USB 2.0 PnP & Bluetooth
- USB cable length: 3 feet / 0.9 meters
- Built-in Bluetooth 4.0
- Wireless range: 100 feet / 30 meters
- Compatible with T53,T53W,T54W and T57W phones if running V85 firmware