charger and sound case with built in powered speaker FUNCTION: charge for mobile phone,MP3 and numeral camera,speaker system speaker : 4Ω 0.5W , φ36MM operating voltage: 5V charging current: 30mAh /3.7V battery capacity: 600mAh /3.7V Output voltage: 5.5v(max) output power: 0.325 w remarks: 5-10 hous sunshine can full charge your battery when we use DC charger ,2-3 houre can full 600mA lithium-battery when charging LED show GREEN,charger full show RED. PACKING: white box PRODUCT SIZE:140X115X55 mm POWER SOLAR POWER QTY/CTN: 60 pcs/master carton CARTON SIZE: 52*29*46.5 cm N.W.: 11.7 KGS G.W.: 13 KGS APPENDAGE: mobile phone,numeral,IPOD switching MATERIAL: EVA leather