SunSaver Classic, 16,000mAh Solar Power Bank jandals the first number is the

the first number is the magnifying power of the binoculars and the second is the aperture (diameter) of the lense in millimetres

This can help improve problem solving skills and attention span

Large Size approximately: 15 cm x 3 cm

so what does these two numbers mean

SunSaver Classic, 16,000mAh Solar Power Bank jandals the first number is theThe SunSaver Classic is your life proof phone charger that will keep you connected no matter your situation. Its massive battery capacity can charge your phone from flat to full over 5. 5 times* and can even charge 2 devices at once. With its own built on solar panel, the SunSaver Classic can recharge itself anywhere theres sun, unlike other power banks that are simply dead weights when flat. Because of the solar panels small size, it is quite slow,