xDuoo X2S is a portable high-fidelity digital audio player. Features with small size, lightweight, stylish appearance, and good sound quality. It supports many popular lossless audio formats and can support up to PCM 24Bit/192KHz high-definition sampling rate, and support up to DSD128. Considering the increasing volume of current lossless audio sources, this device can support up to 128GB TF card (NOT included), with no need to worry about storage capacity. Features: DSD128 Native Playback Direct Decoding: X2S Player maximum supports PCM 24Bit/192KHz, DSD128 HD lossless format music playback. It supports DAD, APE, FLAC, WAV, AIFF, ACC, MP3, WMA audio format. High-fidelity Sound Quality: Maximum support for PCM24Bit/192Khz, the professional audio chip is only to restore the music signal to a high degree. Enjoy the extraordinary experience brought by real tones, feel the real sound of master-quality. Max. 128GB TF Card Reading: Supports up to 128GB TF card (Not Included). It can store more than 3,000 WAV or 6,000 FLAC/APE lossless songs, calculated as 4 minutes for a single song, 24,000 minutes without repeating any. 0.96-inch OLED Screen: 0.96-inch OLED screen is designed on the compact body, small size, and lower power consumption. CNC aluminum alloy shell, delicate handle feeling, smooth without leaving fingerprints. EQ Adjustment: 6 band dynamic adjustment with a gain control range of +/-12dB, allowing you to fine-tune each music frequency band, alleviating the lack of earphone frequency response and making music more suitable for your listening preferences. Specifications: Name: xDuoo Model: X2S Card Support: Max. 128GB TF Card Output Power: 250mW (32 load) Frequency Response: 20Hz-20KHz Gain: +6dB THD+N: 0.003% (1KHz) S/N: 108dB Suitable Headphone Impedance: 16-300 Battery Capacity: 3.7V 800mAh Playing Time: about 10H Charging Time: about 2H Input Voltage: 5V 1A Music Format&Sampling Rate: DSD: DSD64-DSD128 (DFF, DSF) APE: 16-24Bit/44.1-192KHz FLAC: 16-24Bit/44.1-192KHz WMA: 16-24Bit/44.1-192KHz AIFF: 16-24Bit/44.1-192KHz WMA, MP3, AAC, OGG Item Size: 6.2*3.9*1.5cm/2.44*1.53*0.59in Item Weight: 57g/2.01oz Package Size: 10.2*8.0*4.0cm/4.01*3.15*1.57in Package Weight: 146g/5.15oz Package List: 1 * HiFi Music Player 1 * USB Charging Cable 1 * User Manual (English/Chinese)