... hours of audio with earphone15. The best quality compare to any other model with similar price. Accesories: Features:Bitmap - Processor: ... : JPG, JPEG, BMP, and PNG- Support G-Sensor (4-Dimensional gravity sensing)- Speaker: High-quality stereo loud speake- Battery: ... Calibrate screen, Keyboard, Wifi, WLAN, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, SpeakerWe shall test ...