Features:

Small and exquisite with MP3 high-quality audio output.
Equipped with a PIR motion sensor to trigger audio playback, and detection range can be up to 4 meters.
Works with most Windows, Mac, and Linux systems.
Incorporates 2MB built-in flash memory as the standard internal memory.
Uses micro SD card or 2MB built-in internal flash memory as storage. (choose one of both).
Reads audio files directly from micro SD card (up to 32 GB). (micro SD card sold separately see below)
To copy sound files to the built-in flash memory you need a micro SD card. You copy the audio files previously loaded on to a micro SD card to the built-in flash memory. (The micro USB port is only used as an alternative way to power the device - instead of using batteries if desired)
Supports two triggering modes:
- Mode 1: You add multiple sound files to the unit. The unit will play the next sound with each activation.
- Mode 2: Play the same sound with each activation.
  (The module is switched between Mode 1 and Mode 2 with a long press (3 seconds) of button A)
Supports two power supply methods:
3 x AAA alkaline batteries (not included) or
External power adapter through the micro USB port.
Two-level sound volume adjustment.
For indoor use only.
Dimension: 60*90*26.60mm
Pivoting wall mounting foot included

Datasheets:

http://www.electronics123.net//datasheet/Mini%20PIR%20Motion%20Sensor%20Activated%20Audio%20Player(FNP-703A).pdf
www.electronics123.com/page/faq-fnp-703a