Specification:
* Brand: ALLPOWERS* Model: AP-SP5V21W
* Type: Solar Panel
* Material: Sunpower solar panel power* Maximum power: 21 W* Solar efficiency: 25% (maximum)* Total Output: 5V 2.1A(MAX)
* Source:Solar Energy, USBSolar * Fold: (Approx) 300x160x20mm / (11.8x6.2x0.7 inches)* Open: (Approx) 640x300x10mm / (25x11.8x0.35 inches)* Net Weight: 470.5g

Features:
--Exclusive technology for fast charging and isolation: It can automatically adjust the current and voltage to achieve maximum power, delivering the fastest possible current to amps.
Widely compatible: --For Iphone, for Ipad,  for Samsung,  for HTC,  for Sony,  for Xiaomi,  for Huawei,  for Nokia power bank and more USB charging devices. High density material:--TPU material with high light transmission, toughness and aging resistance, making solar panels waterproof and anti-toxic. Dual USB output: 5 V 2.1A (max.) + 5 V 2.1A(max.) (Under the intensity of the sun is 40000 ~ 70000lux, like strong summer sunlight) Portable and lightweight design: 
--Compact size design for portability (size as B5 paper) with the superior quality of metal hook that can hang in your bag when outdoors Foldable in a small package and weighing less than one pound, it is very convenient for outdoor activities. 9-fold intelligent circuit protection:--Overvoltage protection, short circuit protection, overcurrent protection, over power protection, overload protection, temperature protection, overcharge protection, reverse discharge protection, electrostatic protection. 
Warranty:--18 months product warranty from ALLPOWERS

Package Included:* 1 x 21W Solar charger * 2 x Metal hooks (carabiners)* 1 x Micro USB cable* 1 x Instruction Manual* 1 x Retail box