Specifications Core Chip ES9018K2M DAC chipPower Supply Operational amplifier power system with ±13V supply total 26VStorage Expansion Supports TF card up to 256GB TF card not included Battery Life Approximately 8 hoursDimensions 80mm L x 50mm W x 20mm H Supported Sampling Rates Compatible with all files below 44 1kHz MP3 files support up to 48kHz sampling rates and 16 bit depthSignal to Noise Ratio 96dB under 44 1kHz 16 bit conditionsFeatures 1 Versatile Format Support Enjoy high definition sound with support for nearly all lossless audio formats including Apple AAC ALAC DTS WAV 5 1 multi channel audio and DSD music decoding in various standards DSD64 128 256 Compatibility extends to non compressed DSD ISO DSF DFF files and CUE playlists without pre segmentation 2 High Fidelity Audio Architecture Equipped with ES9018K2M independent DAC chip dedicated audio crystal oscillators OP275 low pass filter circuits and ±13V high power amplifiers Carefully selected premium grade capacitors ensure that audio meets Hi Fi standards 3 Powerful Headphone Amplification Delivers peak headphone output voltage of up to 12V Effortlessly supports headphones rated at 300Ω impedance or below with additional genuine Lineout functionality for external audio equipment 4 Flexible Playback and Control Offers multiple modes such as single track loop random and all repeat playback Includes convenient file folder operations for easy music management with 180 prese