Feature: LIGHTWEIGHT AND PORTABLE: The solar panel is small and portable, with a simple and beautiful appearance, and is easy to carry and install. CONTINUOUS FLOW: The solar panel is equipped with solar energy and high efficiency solar charging circuit, which is environmentally friendly and continuous. PURPOSE: Solar panels are suitable for direct charging of digital products such as mobile phones, mobile power supplies, MP3, MP4, etc., and are easy to use. MANUFACTURING MATERIALS: The solar panels are made of high quality polysilicon materials, strong and durable, exquisite workmanship, compact and portable. WIDE APPLICABILITY: solar panels are suitable for all kinds of low power electrical appliances, such as solar water pumps, solar street lights, outdoor solar advertisements, etc. Specification: Item Type: 3.5W 6V USB Solar Panel Weight: Approx.108g / 3.8oz Product Material: Polysilicon Product Size: Approx.165 x 135 x 2mm / 6.5 x 5.3 x 0.1in Working Voltage: 6V Operating Current: 0 580MA Output End: USB 2.0 Interface Purpose: Suitable For Mobile Phone, Mobile Power Supply, MP3, MP4 And Other Digital Products Direct Charging Package List: 1 x Solar Panel