MP3 Polarized Sunglasses - M3

Features:
* State of the art design.
* Switzerland made Grilamid TR90 nylon material for the frame
* Polarized lens, UV400
* Built in MP3 player with hi-fi grade chipset
* Removeable high definition stereo speakers

Specifications:
* Lens: Polarized lens, UV400.
* Support music format: MP3, WMA, APE, FLAC.
* Signal to noise ratio: -90dB.
* THD: 0.05%.
* Frequency response: 20Hz-20KHz.
* Sound output: 20mW (nominal)/40mW (max).
* Memory: Built-in NAND flash 2GB/4GB.
* Battery type: Built in 3.7V Li-ion polymer battery.
* Maximum input power rating: 5V DC, 260mA.
* Charging time: 2h by computer USB connection (approx. ).
* Other charging method: AC adaptor, car charger (optional accessories).
* Music playing: 20~25h for MP3 format, playing time may be different for various music formats.
* Store consumption: About 300 songs per 1GB (approx. ).
* PC interface: USB 2.0 (backward compatible with USB 1.1).
* Operation system: Windows 2000/XP/Vista 32/Win 7.
* Operation temperature: ~10~45° C.
* Operation humidity: 15~85%RH.
* Weight: 52g (42g without speakers).
* Dimension: W161 x D164 x H45mm (approx. ).
* Manual languages: English, Spanish, Chinese, Japanese.

Accessories:
* Speakers, USB cable, carrying case, carrying and cleaning bag, speakers bag, user guide.

Packing:
* Unit dimension: 161 x 164 x 45 (mm).
* Qty/carton: 20PCS.
* Box dimension: 170 x 93 x 78 (mm).
* CTN dimension: 420 x 360 x 210 (mm).
* Box weight: 0.233kg.
* Carton weight: 6kg.