80GB (64GB+16GB) MP3 player for Android with Bluetooth and WiFi, 4.0-inch full t
80GB M503Pro Mp3 Player with Bluetooth and WiFi From SWOFY. Smooth Performance, Stable Pairing】M503 player is equipped with Android 6.0 system, MTK-6735 quad-core chip, the device is more responsive and the system runs more smoothly.