W820NB PlusWireless Noise Cancellation Over-Ear HeadphonesIMMERSIVE SOUND WITH BOTH HI-RESS AUDIO& HI-RES AUDIO WIRELESS CERTIFIED40mm dynamic driver with Titanium coated composite diaphragm plus LDAC codecBATTERY LIFEUp to 49 hours continuous playback when ANC offACTIVE NOISE CANCELLATION WITH AMBIENT MODEUpgraded noise cancellation system for up to ANC depth. Isolates the unwantednoise and allows you to hear the environment soundCRYSTAL CLEAR CALL QUALITYTake your calls. Hassle free by DNN noise cancellation technologyCONNECTING TO PC AS WIRED HEADPHONESBesides Bluetooth connection, can be also connected as wired headphones via USB cableGAME MODELatency as low as 0.08s under game mode, enjoy seamless gaming experienceSUPER SOFT & COMFORT EAR CUSHIONLess pressure, better sound for all-day wearingEDIFIER CONNECT APPPersonalize EQ controls and more
Bluetooth V5.2Bluetooth Protocol A2DP,AVRCP,HFPEffective Distance 10MPlaytime (hours) ANC ON: 33hrs(SBC codec)ANC OFF:49hrs(SBC codec)Battery Capacity 400mAh 3.8VCharging Port USB-CInput 5V/1ACharging Time 1.5hWeight 221gAudio Coding LDAC,SBCDriver Φ40mm DynamicImpedence 32ΩSound Pressure Level 91dB±3dBSPL(A)Frequency Response 20Hz-40KHzMircophones 5pcsMicrophone Sensitivity /IP Rating /Dimension (L x W x H mm) 164.8*191.3*82.3mm
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