solar, solar panel, solar energy, charging, mp3 player, mp3-player, bamboo, mat, recycling, technology, tech, high-tech, device, electronics, electrical, modern, remote, black, electronic device, grey, connected, laying, brown, discipline, gray, high technology, person, science, profession, floor cover, application, engineering, wood, parturition, remote control, physics
Personal solar charger and MP3 player being charged on a bamboo mat