Features: MP3 player with built-in speaker, HiFi sound quality, you can enjoy music and recording without headphones, and no intertwined cables will bother you any more. Upgraded bluetooth-compatible 5.0, faster and more stable connection. Multi-function, not only has music function, but features as well as eBook (3 types of eye protections themed backgrounds, 10 levels reading brightness adjustment), FM radio, alarm clock, perfect for sport running, traveling, llisten to English. Small size, light weight, you can put it in your pocket or backpack, without taking up too much space, and enjoy wonderful music freely. Support memory expansion, up to 128GB TF-card expansion (not included). Specifications: Size: Approx. 9x4x1cm/3.54x1.57x0.39inch Color: Black, Silver, Pink, Blue(optional) Memory Type: without Memory, 4G, 8G, 16G(optional) Audio-Format: APE (Fast/Normal compression, 800Kbps - 1000Kbps, sampling rate 8KHz-48KHz), FLAC (1000Kbps - 1200Kbps, sampling rate 8KHz-48KHz), MP3 (8Kbps - 320Kbps, sampling rate 8KHz-48KHz), WMA (5Kbps - 384Kbps, sampling rate 8KHz-48KHz), WAV (32Kbps - 1536Kbps, sampling rate 8KHz-48KHz), AAC-LC (8Kbps - 320Kbps, sampling rate 8KHz-48KHz), Recording Mode: MIC Recording Format: WAV Video Format: AVI resolution 128x160 Picture Format: support JPEG/JPEG/BMP eBook Format: support TXT- Screen Size: 1.8 inches Memory Card Type: TF-card Expansion Card: up to 128GB Operation Mode: touch type Interface: Mini USB Headphone Interface: 3.5mm Bluetooth-compatible Version: 5.0 Screen Color: color screen, high sensitive capacitive touch control Screen Resolution: 160 × one hundred and twenty-eight Language: multi-language Additional Functions: support bluetooth-compatible, picture browsing, FM radio function and recording function Battery Type: lithium battery Battery Capacity: 300mAh Endurance: 20 hours Package Includes: 1x MP3 Music Player or 1x MP3 Player with Memory Card note: Random delivery for the appearance of memory card.