Lenovo GXD0U47643 Yoga Active Noise Cancellation Headphones, Mica Colour, 800 mAh Battery capacity, 40 mm Neodymium drivers, Bluetooth 5.0, USB Digital audio, 4x Analog microphones Omni-Directional, 2x Digital microphones Omni-Directional, 14 hours play timeOverview:What better way to warm your heart than to bounce around to your favorite beats, and enjoy crystal-clear calls with those you love. The Lenovo Yoga Active Noise Cancellation headphones provide a world-class entertainment and music experience that looks as good as it sounds. Connect with the world through Hybrid ANC(active noise cancellation) and ENC(environmental noise cancellation) noise-canceling mics with voice assist, and hear every detail of your favorite songs and movies with Dolby-tuned drivers.Features:A better way to enjoy what you loveBounce around to your favorite beats and enjoy crystal-clear calls with those you love- and enjoy it all the more with Lenovo Yoga ANC headphones. This stylish headset provides a world-class entertainment and music experience that looks as good as it sounds. And with silicone leather, premium plastic, and an elegant metal finish, they broadcast style wherever you go.Tune out the chaosEliminate even the rowdiest ambient noise and enjoy a moment to yourself with active noise-canceling (ANC) technology that mirrors and minimizes the sounds around you.Speak & be heardNever miss a chance to chat- even when youre in loud environments. Six boomless mics and environmental noise cancellation (ENC) technology suppress distracting background noise so youll be heard clearly.Ports & SlotsAnswer / Hang-up + Play/Pause/Rewind/ForwardBattery LED indicatorPower + BluetoothVolume + / -Power LED IndicatorANC - Level 1 / 2 + OffUSB-CMicrophone MuteSpecifications:Capacity 800 mAhColor MicaCable Length/Type 1.3 mWeight 214 gAudio Out NAControls Power on / off, Multi-function button, Microphone muted / unmuted, Volume up / down, ANC level 1 / level 2 / offDistortion < 5%Driver 40 mm neodymium driversFrequency Range 20 Hz - 20KHzImpedance 32 ohmPower Requirement Battery charger : < 600 mA, USB audio power consumption: Max 5 V / 50 mARMS Power NASensitivity > 111 dBm +/- 3 dBmAudio Input Bluetooth 5.0, USB digital audioBrand LenovoPacked Weight 785 gOther Electrical Specifications NAOther Operating Environment NAOther Physical Specifications NAAgency Approvals TUV/CB, CE/RED, CEC, DOE, Nrcan IC, ETA, SDPPI, SIRIM, NTC, IMDA, FCC, JRF, ICASA, NCC, KCC, TRA, SRRCPackage Type Retail PackagePacked Dimensions (L x D x H) 232 mm * 210 mm * 70 mmMaximum Operating Temperature 40 CMinimum Operating Temperature 0 CMaximum Relative Humidity (%) 95%Minimum Relative Humidity (%) 20%Battery Charging Time 3 hoursIncluded Accessory Compact carrying case, USB A to USB-C cableMicrophone 4 x analog microphones : Omni-directional, Sensitivity: -36 dB, SNR: 60 dB 2 x digital microphones : Omni-directional, Sensitivity: -26 dB, SNR: 59 dBPlay Time 14 hoursSubwoofer NAWireless Operating Distance 10 mConnection Type Bluetooth 5.0, USB digital audio