Tiptel ergoVoice CR. Weight: 0.85 kg, Dimensions (WxDxH): 235 x 215 x 85 mm. Compatibility: CE. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -5 - 70 °C. Power supply type: AC 16 V 300 mA, Battery type: AAA