Edifier STAX SPIRIT S5 Wireless Planar Magnetic Headphones Features The 2μm thin film and 2nd gen EqualMass™ wiring deliver performance comparable to electrostatic headphones. Each set of headphones undergoes auto-calibration during production for uniform performance. Qualcomm® QCC5181 SoCs, Snapdragon Sound™ Suite, multiple HD codecs, and Hi-Res certification ensure an immersive audio experience. Up to 80 hours of battery life for uninterrupted music. Dual-mic noise reduction with Qualcomm aptX™ voice technology for clear calls. Support multipoint connection, allowing instant switching between music, videos and calls on 2 different devices simultaneously. Personalize control settings, select preset EQs, customize your listening style and controls via the EDIFIER ConneX app. Skin-friendly, genuine lambskin earpads for long-lasting comfort and an additional set cooling-mesh earpad for travelling use. Includes USB-C and AUX cables for wired connections across devices. Select Color: Black Specifications Bluetooth V5.4 Bluetooth Range 10m Playtime Around 80hrs Charging Port USB-C (Type-C) Input DC 5V ⎓ 2A Audio Codecs Snapdragon Sound, Qualcomm® aptX™ Lossless, Qualcomm® aptX™ Adaptive, Qualcomm® aptX™ HD, Qualcomm® aptX, LHDC, LDAC, AAC, SBC Frequency Response 10Hz-40kHz Sound Pressure Level 91 ± 3 dB(A)