It is safety , good compatibility , large capacity ,small volume, long life ,a perfect good

Award-winning, compact and versatile – Our solar charger stores power from the sun or wall socket; freeing you to recharge your mobile phone, Mp3,Mp4, digital camera and other handheld devices anywhere, anytime.
Key features:  * High capacity internal battery stores energy for up to a year * Rechargeable from the wall (AC or Computer) and the sun * Fully charged your phone by 1 hr can get 72 hrs standby time or 3 hrs talking time
* Fully charged internal battery by computer or AC need about 7 hrs
* Enough emergency power charged by sunshine need 3-4 hours.
* Elegant, ergonomic design * Light weight and easy to use
Specification:
* Solar panel output: 260mA @ 6.0V * Internal battery: rechargeable Lithium Ion:6000mAh or 4000mAh (Optional)
* Dimensions (L x H x W): 14x7.5x1.5cm 1750G/PC, Color: Black or White
 Gift Box: 18X11X6.5cm 350G/PC including all accessories
* Normal Carton:36.5*34.5*26.5CM, 20sets/CTN, 43.0KG/CTN
One pack including:
* Solar Charger 1PC
Nokia tip 1PC, Samsung tip 1PC, Motorola tip  I PC
Sony Ericsson tip 1PC, LG tip 1PC, Mini-USB tip 1PC
Instruction Manual 1PC