Bluetooth MP3 Player 4.0 Inch Touchscreen HiFi Lossless Sound High Resolution Portable MP3 Player for Android 9.0 Black Item Type: MP3 Player Material: Metal, Electronics Model: Q8 Support File Formats: DSD64‑256, FLAC, WAV, APE, WMA, MP3, OGG, MP2, M4A, DTS, CUE PCM Encoding Support Up to 24bit/192khz Body Comes with Memory: 16GB (Software Will Occupy Part of The Memory, The Actual Capacity Will Be Less Than This Value) Memory Card Slot: Memory Card Slot Can Support Up to 256GB Memory Expansion (not Included) Headphone Output Impedance: 32Ω Headphone Maximum Output Voltage: 3.3+02V Headphone Stereo Separation: ≥ 80db Headphone Sound SNR: ≥105db Headphone Sound Distortion: ≤0.01% Maximum Output Voltage: 5.6±0.5V Bluetooth Version: Bluetooth 4.0 Effective Transmission Distance: Maximum 12 Meters/13.1yd Battery Type: Built in 3800mAh Polymer Lithium Battery (included)