Features:
1) Polarized lenses
2) Shock proof and anti-static electricity
3) Filter out 100% of all UVA, UVB and UVC
4) Memory: 128MB - 4GB
5) Compatible formats: MP3, WMA, ADPCM
6) Standard USB port: USB 2.0 (full speed)
7) Integrated USB drive
8) Deletes function: delete current or all songs
9) Continuous playing time: 8 hours
10) Recharging time: 2 hours
11) 230mAh/3.7V Li-ion recharging battery
12) Voice output power: 5mW + 5mW
13) S/N ratio: 80dB
14) Working temperature: -5 ~ +50 
15) Earphone output: 5mW + 5mW
16) Frequency response: 20Hz ~ 20kHz
17) Compression level: 32Kbps ~ 320Kbps
18) Single product weight:50g
                       
Packing:
Standard English paper box with USB cable, CD and instruction manual,a pair of headphones
Small gift box dimensions: 10.5*8.0*18cm
Outer packing: 50pcs/carton
Carton dimensions: 44*39*55cm
N.W:13kg
G.W.: 14kg