Stax Spirit S380 hours for music play and a short 10-minute charge giving 11 hours of playtimeHi-Res certified audio with cleaner sound, greater resolution, and better imaging, as same as true professional recording powered by a proprietary audio systemMost advanced Microprocessing system, making telephone communication like face-to-face communicationEnable a variety of advanced functionality-customized EQ settings, control settings, cushion sets, etcThe lightest weighted over-ear planer headphones for all-day use, and an additional set cooling-mesh ear-cushion for on-the-go or traveling use
Bluetooth version: V5.2Audio codecs: Qualcomm® aptX™ Adaptive, Qualcomm® aptX™ HD, Qualcomm® aptX™, SBCDriver unit: 89mm*70mm Planar Magnetic DriverPlaytime: 80hrsCharging time: 1.5 hoursCharging port: USB-TypeCBattery capacity: 1500mAhInput: 5V/1.5AMircophones: 1Microphone Type / Size: MEMS / 3.50X2.65X0.98mmMicrophone Sensitivity: -37dBFS±1dBFSFrequency response: 10Hz~40KHzSound pressure level: 94±3dB SPL (A)Impedance: 24ΩWeight: 329gDimension (L x W x H mm): 208x110x255mm
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