Portable MP3 player with S mini speaker HL4006

1. Work as MP3 player or mini speaker
2. Support SD card, play music in the SD card
3. Audio with high fidelity
4. Sound beyond size
5. Rechargeable lithium battery inside
6. 4-hours work as MP3 player; 8-hours as mini speaker (medium volume, random music)

Net Weight: 0.080kg
Dimensions: 60mm(D)*55mm(H)
File Format: MP3,WMA
SD Card Storage: Max 8GB
AMP Freq Range: 180Hz~20KHz 
S/N: more than 80dB
Speaker: 4ohm, ψ40mm 
Line Input: ψ3.5 mm
Working Time: 4-hour work as MP3 player,
8-hour work as mini speaker(medium volume, random music) 
Li Battery Capacity: 400mAH
Battery Voltage 3.7V 
Charging Time: About 3 Hours
Charging Voltage: 4.2~5V 
Rating Power: 2W
Power Input: MINI USB (5V/500mA) 
Color: Black, Red