Get SHANLING M2X bluetooth MP3 AK4490EN DSD256 32bit 384kHz LDAC Music Player Hi-Res Audio Balanced Features Screen 3.2 inch 320 x 480 screen DSD playback supported to DSD256 PCM playback supported to 384kHz--32bit bluetooth support LDAC (bothway), AAC (bothway) Wi-Fi IEEE 802.11b/g/n support DLNA, OTA online update, HiFi cloud music library D/A converter AK4490EN Gain low gain / high gain Support format DSF, DFF, ISO, DXD, APE, FLAC, WAV, AIFF, AIF, DTS, MP3, WMA, ACC, OGG, ALAC, MP2, M4C, AC3, M3U, M3U8 Sampling rate 44.1kHz--384kHz Output single ended output (3.5 mm) / balanced output (2.5 mm) Output power 180mW@16ohm (3.5 mm) / 212mW@16ohm (2.5 mm) Channel separation 70dB (32 Ohm) 3.5 mm, 107dB - 2.5 mm SNR 116dB Output impedance 2&Omega Frequency response 20HZ~40KHz (-0.5dB) External memory supported up to 2TB TF card USB interface Type-C (USB2.0) Battery lithium battery for 2400mAH Playing hours 10.5 hours (3.5 mm) 7.5 hours (2.5 mm