advantage:
Uses Wifi and bluetooth 5.0 as well as mobile WiFi hotspots.
✅Supports playing music through bluetooth headsets/speakers/smartphones.
✅Wireless connection, free your hands and let you enjoy the Internet.
500W front camera
✅This phone is also equipped with an 500W Selfie, allowing you to present your smile or memory with superior clarity.
You can install APP (Android), giving you more entertainment possibilities.
✅Supports installation of apps from Google Play Store/third-party sources.
✅Supports most common apps such as Spotify, Tidal, Deezer, Pandora, Apple Music, Amazon Music, Audible, etc.
Capacitive touch operation, convenient to use various functions
✅High-fidelity recording, e-book, FM radio, A-B repeat, video playback, photo album, alarm clock, photo taking, video recording.
Professional chip intelligent noise reduction technology.
✅Supports full format lossless music MP4, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP format playback
5.0, 4.0-inch IPS display
✅Smart full-format HD video playback.
✅Supports 720P/1080P full-format high-definition video playback, such as RM, RMVB, AVI, MKV, WMV, VOB, MOV, FLV, ASF, DAT, MP4, 3GP, MPG, MPEG, etc.
Supports 45 languages
✅The system language can be switched in the system settings.
✅Such as English, Russian, Ukrainian, Spanish, French, Hebrew, Japanese, Korean, German, Italian, Portuguese, Simplified Chinese/Traditional Chinese, etc.

Safety:
--One-click screen lock function
--Two methods to unlock the screen: pattern unlock and password unlock
--2.5D tempered glass lens
--More features--
--Android 8.1
--Use Google play store
--2G running memory
--Comes with 16G memory
--Supports up to 128GB TF card storage
--3000mA polymer battery
--Built-in speaker
--Support music background playback
--Support date and time display
--Support APK installation
--True eight-core CPU runs faster, smoother, and more.
--This product is just like a smartphone except that it cannot make calls! !

Parameter:
--Product name: WiFi MP3 player
--Product model: M500, M400
--Screen material: IPS
--Resolution: 480*800
--Operation mode: touch
--bluetooth version: 5.0
--Screen size: 5.0, 4.0 inches (optional)
--Running memory: 2GB ROM +16GB
--Recording format: MP3/WAV
--Battery capacity: 3000mAh
--Charging interface: type-c
--Input voltage: 5V1A
--Charging time: 2 hours
--Play mode: repeat play, single loop, full loop, breakpoint play, sound equalizer
--Music playback: 40 hours (use 3.5MM headphones when the screen is closed) (laboratory data)
--Video playback: 6 hours (using 3.5MM headphones) (laboratory data)
--Memory expansion: Micro SD card (maximum 128GB, format FAT32)
--Music formats: MP4, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP
--Video formats: RM, RMVB, AVI, MKV, WMV, VOB, MOV, FLV, ASF, DAT, MP4, 3GP, MPG, MPEG
--Image format: JPG/BMP/PNG/GIF
--Main features: photo, video, Google, WiFi, music, video, pictures, audio recorder, stopwatch, alarm clock
--Product size: 105.7*62*11.4/123*70*11.4mm
-- Shell material: aluminum alloy
--Product color: black

Package include:
1*MP3 player (Micro SD card not included)
1*User Manual
1*Silicone protective cover
1*3.5MM earphone
1*type-c data cable

hint:
Color may vary depending on the light!
Please allow slight 1-2cm differences due to manual measurement!
Thank you for your understanding and attention, I wish you a pleasant shopping experience