Features: 1) Environmentally safe and an economic way to collect energy2) Small, portable, and lightweight design3) Can recharge mobile phones through solar panels or extra battery pack4) Average recharging time is approximately three hours5) The built-in lithium battery with 500mAh, can support approximately 20 - 40 minutes of talk time depending on the model of your mobile phoneInner packing: 1pc with 4 plugs (Motorola, Nokia, Ericsson, Samsung) in gift box includedOuter packing: 24pcs/ctnCarton dimensions: 40 x 33 x 33.5cmG.W.: 8kg producing area:China payment:T/T, L/C supplying capacity:300,000pcs/month