Feature: Full format audio decoding, ATJ 2167 scheme master, 24bit/192kHz DSD 256. 10mW@32output power, Dual core XP System/Windows 7 --10 2 inches Full touch IPS HD screen, 1-128G TF card expansion Personalized roller encoder, E-book/Alarm clock/Calendar/Stopwatch/Folder Product parameters Product name: A58 Battery capacity :380mAh Screen size :2.0 inch IPS high-definition screen Operation :Touch screen Music format: Full format EBook format : format The earphone specification :supports the impedance of ordinary three earphones 16 or 32 Charging time :about 2 hours Major function: HIFI music/e-book/equalizer/folder Alarm clock/calendar/stopwatch/mobile phone OTG transmission It does not support 64 bit and WAV five channel , and has a higher pursuit of sound quality. You can choose other high quality headphones. Material: Aluminum alloy colour: grey Package Contents: 1 x Music Player 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.