Features:The use of zinc alloy shell, 3.5D high-strength glass mirror, exquisite mini.1.8in OLED color screen display, high sensitivity touch key + side button control.Support music playback, video playback, e-book reading, picture browsing, FM radio, recording, and other functions.Strong BT function, stable signal, can be connected to BT headset, speaker.The system supports 28 kinds of language switching, the fuselage has its own memory, 8G, 16G, 32G can be selected.Specification:Model: M25Material: Zinc AlloyBT Version: 5.0Power Supply: DC 5V 1ABattery: 3.7V 300mAhInput Interface: USB/AUX/TF/BT/FMInput: Support MP3/APE/FLAC/WAV/WMASNR: 90dBFrequency Response Range: 20Hz-20KHzCharge Time: 2 hoursPlay Time: 30 hoursMemory: 8G,16G,32G(Optional)USB/TF: Up to 64GBColor: BlackItem Size: approx.8.5*4*1cm / 3.35*1.57*0.39inPackage Size: approx. 14.5*9*4.5cm / 5.71*3.54*1.77inPackage Weight: approx. 200g / 15.87ozPackage List:1 * Speaker1 * TF Card1 * USB Cable1 * 3.5mm Earphone1 * User Manual