The XDUOO X2 is an high-performance digital audio player with 0.96 inch Professional OLED Screen which can show the relevant information about music. And￡? it supports many audio formats such as￡? MP3￡? WMA￡? APE￡? FLAC￡? WAV￡? etc and supports TF / MicroSD Card (Up to 32G). Its aluminum alloy shell can protect the Music Player￡? and the total weight of the Music Player is only 5og. The music player uses keys operation￡? simple to learn. Its compact portable size and high-quality music playing make it become the best choice of for entry-level music fans.? <br><br><strong>Features:</strong> <br>Supports many audio formats such as￡? MP3￡? WMA￡? APE￡? FLAC￡? WAV￡? etc. <br>Supports TF / MicroSD Card (Up to 32G). <br>Equipped with 0.96 inch Professional OLED Screen which can the relevant information about music￡? such as￡? Song number￡? Playtime￡? Play order￡? Battery capacity￡? Total song￡? Duration Time￡? File name￡? Card￡? BPS￡? EQ￡? Spectrum￡? etc.? <br>Support multi-language: English / Russian / Korean / German / Japanese / Chinese.? <br>Uses high-quality current-mode operational amplifier. <br>Keys operation￡? simple to learn. <br>Its aluminum-shielded case to prevent external interface noise. <br>With high-quality rechargeable Li-polymer battery￡? and powered by the included Micro USB port. <br><br><strong>Specifications:</strong> <br>Power Source: Built-in DC 4.2V rechargeable lithium polymer battery? <br>Supports TF / MicroSD Card: ?Up to 32G. <br>Output Power: 250mW (32 ohm load). <br>Gain: + 3dB <br>THD + N: 0.005% (1KHz). <br>S / N:107dB <br>Suitable headset impedance: 8 ~ 300ohm <br>Music Playing Time: !#!gt!*!10 hours? <br>Charge Time: !#!lt!*! 2 hours <br>Color: Black <br>Item size:7.0 * 4.0 * 1.0cm / 2.75 * 1.57 * 0.39in <br>Item weight: 50g / 1.80oz <br>Package size: 16.5 * 8.0 * 2.3cm / 6.49 * 4.0 * 2.3in <br>Package weight:99g / 3.51oz <br><br><strong>Package List:</strong> <br>1 * XDUOO X2 Digital Audio / Music Player <br>1 * USB Cable <br>1 * Chinese / English User Manual