Edifier S3 BATTERY LIFE Around 80 hours for music play and a short 10-minute charge giving 11 hours playtime. IMMERSIVE AUDIO EXPERIENCE Planar magnetic drivers for audiophile-grade cinematic sound. Hi-Res certified audio with cleaner sound, greater resolution, better imaging, as same as true professional recording powered by proprietary audio system. An ultra-wide range of frequency response (extending from 20Hz to 40kHz). CRYSTAL CLEAR CALL QUALITY Most advanced Micro processing system powered by Qualcomm QCC5141 solution with newest Snapdragon Sound™ features in ultra-low latency and ultra-clear voice quality, making telephone communication like face-to-face communication. EDIFIER CONNECT APP Enable a variety of advanced functionality-customized EQ setting, control setting, cushion setting, etc. USER-FRIENDLY & COMFORTABLE DESIGN The light weighted over-ear planer magnetic headphones comprised of ultra-light and durable carbon-fiber materials, FULL foldable hinges system, hand-crafted earpads and headband with genuine lamb leather for long-lasting comfort and all day use and an additional set cooling-mesh earpad for on-the-go or travelling use. Bluetooth V5.2 Bluetooth Protocol A2DP, AVRCP, HFP Effective Distance 10M Playtime (hours) 80hrs Battery Capacity 1500mAh Charging Port USB-TypeC Input 5V/1.5A Charging Time Around 1.5hrs Weight 329g Audio Coding SBC, Qualcomm® aptX™, Qualcomm® aptX™ HD, Qualcomm® aptX™ Adaptive Driver 89mm*70mm Planar Magnetic Driver Impedence 24Ω Sound Pressure Level 94±3dB SPL (A) Frequency Response 20Hz~40KHz Mircophones 1 Microphone Type / Size MEMS / 3.50X2.65X0.98mm Microphone Sensitivity -37dBFS±1dBFS Dimension (L x W x H mm) 208x110x255mm