Specification： Charging Time: 40 minutes Charging Type: Type-C quick charge Music Playtime: 18 hours Video Playtime: 6 hours Battery Capacity: 5V / 1000mAh Product Size: 4.2 x 2.6 x 0.4 inch Screen Size: 4.0 inch IPS screen (480 x 800 Pix) Internal Memory: 8GB TF Card: support up to 128GB Music Format: MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP, M4A Video Format: AVI, MKV, MPG, MPEG, RM, RMVB, VOB, MOV, FLV, ASF, DAT, MP4, 3GP Recording Format: WAV, MP3 Picture Browse: JPEG, BMP, GIF E-book Format: TXT FM Receiving Frequency: 87.5 MHz ~ 108 MHz Compatibility: Windows XP, 7, 8, 10, Vista, 2000, Mac OS 10