3000mAh portable solar charger for mp3/mp4 Model: VTB-063000mAh portable solar charger for mp3/mp4 1. A good companion of traveling and working! Just the smart power bank can supply the power for Mobile phones, mp3, mp4, PSP, PDA, digital cameras, mobile TV and other digital products, and can be charging anytime.2. Solar fashion giftsFeature1. Super power. When traveling, portable power can meet ...