Warmly Tips: The Player Supports Installation Of Applications. But Not Support Installation For ! Use Tip: When The Bottom Button Panel Disappears, Slide Up On The Screen And The Bottom Button Appear. Similarly, Clicking The Button V Hide The Bottom Button. About This Item: Screen Size: 4.0 Inch Battery: 1500 Mah Battery Type: Lithium Polymer Battery Support: Wifi And Bluetooth Ips Touch Screen Built-in Memory 2+16gb (tf Expansion Card Supports Up To 256gb) Charging Time: 60 Minutes Standby Time: About 500 Hours Battery Life 30-40h In Screen Saver State4-6 Hours Of Video Play Mode: Repeat Play, Single Cycle, Whole Cycle Music Playback Time: 30 Hours (laboratory Data) Video Playback Time: 10 Hours (lab Data) Expansion Slot: Micro-sd/tf Card Charging/data Interface: Usb-c Fm Radio: Supported Music Format: Mp3, Wav, Flac, Ape, Ogg, M4a, Aac, Mp2, Mid, Acelp Video Format: , Mkv, Mpg, Mpeg, Rm, Rmvb, Vob, Mov, , , Dat, Mp4, 3gp (1080p Hd Video Can Be Played Directly Without Coding) Recording Format: Mp3/w