The Veho Pebble PZ-5 power bank uses WYG high performance 21700 Li-on cells, which is 40% more energy efficient than traditional power banks. Using the PD universal USB-C charging port the Pebble PZ-5 will charge most portable devices with up 12V output (all smartphones, tablets and most mini notebooks). The PZ-10 is compact and lightweight meaning its your perfect companion when travelling. Comes complete with carry pouch.