Features:
1) Plays music
2) Can copy files from a PC
3) Record function
4) FM radio and recording
5) FM radio (883Bplus)

Specifications:
1) Supports MP3 and WMA
2) Built-in FM Radio and FM recording support, (883B only)
3) Multiple music modes: normal, pop, rock, jazz, bass and classic
4) USB flash drive with built-in 32MB - 1024MB memory
5) Built-in mini USB full speed 2.0 interface for connecting to PCs
6) Firmware updateable via a USB interface
7) Voice recording time 3 - 18hrs (128MB)
8) Recording sampling frequency: 16kHz, 32kHz, 48kHz, (Mp3 and WMA
formats)
9) Recording format: MPEG I Layer III, WMA
10) High resolution 96 x 26 LCD screen
11) Blue backlight
12) Signal to noise ratio: >90dB, earphone output power: 5MW+5MW
13) Output frequency range: 20Hz - 20kHz
14) Support compression rate: 32kbps - 256kbps
15) Sustained playing time for approximately 8 hours with one AAA
battery
16) Displays lyrics / dynamic sliding ID3 in multiple languages,
(subject to request)
17) User changeable power on/off picture
18) USB port powered
19) Weight: 36g excluding battery
20) Dimensions: (L x W x H): 80 x 25 x 23mm
21) Design, specifications and measurements are for reference only

Inner packing:
Dimensions: 142 x 201 x 45mm
Weight: 133g

Outer packing:
Dimensions: 60 x 30 x 30cm
50pcs/ctn
Weight: 8.0kg