BHT-805B9.1 CU-800 Specifications9.1.1 Hardware SpecificationsCU-801 CU-811 CU-821Power supply: 100/230 V AC(Using dedicated ACadapter)100/230 V AC(Using dedicated ACadapter)Powered from the USBinterface *Max. power consumption: 6.5 VA 7 VA 5V 500 mADimensions (W) x (L) x (H): 110 x 134 x 81.7 mmWeight: 105 g 110 g 100 gAmbient operating temperature: 0 to 40° CAmbient operating humidity: 20 to 80% (with no dew condensation)*The CU-821 can be powered also from the AC adapter.9.1.2 Charging Requirements (CU-801/811/821)Charge current: Approx. 950 mA (approx. 400 mA *)Charging time: Approx. 3 hours (approx. 7 hours *)(*When the CU-821 is powered from the USB host (computer) or USB hub)160