HKC P778A - Manual (Page 16)

Headset is not functioning
Please check if volume is set to 0
Check if the music file is damaged.
Cannot copy file or play music.
Please check connection between computer and device is correctly linked
Check if the memory storage space is full
Check if the USB cable is good or not
If USB connection is disconnected
Basic Specifications
Hardware configuration
Size: (length x wide x thick) 185.63*120*9.5mm
CPU processor speed: Dual-core -1.5GHZ
Memory: 4G-32G
RAM: 1G
TF card: 128MB-16GB
Display screen: 7” IPS Capacitive touch screen
Resolution: 1280*800
Battery and capacity: rechargeable Built-in type polymer battery, 3000Mah
USB: USB 2.0OG
G-sensor 3D
Record: built-in microphone
Operation System: Android 4.0
Video: 3D .MKV(H.264HP).AVI.RM/BMVB.FLV.MPEG-1/2
Music: MP3.WMA.APE.FLAC.AAC.AC3.WAV
Pictures: JPEG.BMP.GIF.PNG.TIF
Bluetooth：Support for bluetooth mobile equipment.