Tech Specs Color Black Connection Type USB-A Cable Length/Type Cableless New Weight 174.0g Hardware Requirements USB 2.0 Interface Warranty Type Customer Replaceable Unit (CRU) Distortion < 3% Driver 35*16mm Frequency Range 140 Hz – 20 kHz Impedance 4 Ohm Power Requirement 5V/1.6A RMS Power 2x2W Sensitivity 85dB @1w/0.5m Signal to Noise Ratio 64dB Brand Lenovo OS Requirements Windows 10,Windows 11 Packed Weight 303g Agency Approvals CE for EU/EFTA, FCC and ICES for North America, CB(62368 -1), KCC for South Korea, BSMI for TW, VCCI for Japan, UKCA for UK BIS for India Package Type Brown box Packed Dimensions (L x D x H) 300×70×80mm Height 152mm New Cable Length 256.39mm Depth 34.5mm Warranty Period 3 years Maximum Operating Temperature 40 degrees Celsius (104 degrees Fahrenheit) Minimum Operating Temperature -5 degrees Celsius (23 degrees Fahrenheit) Maximum Relative Humidity (%) 90% Minimum Relative Humidity (%) 0% Included Accessory key Speaker System RTOS System Compatibility P27h-30 P27q-30 T27p-30 T27h-30 T27i-30 P32p-30 T32p-30 T32h-30