A perfect present for scientists and students. This portable USB charger keyring is a handy accessory for festivals, camping and traveling.

• Power bank measures: 9cmx 2.5cm
• 20cm long micro-USB cable
• USB output for charging a variety of devices
• Approximately one full phone charge (may vary due to model and age of phone)

Technical specifications:

Input: DC 5V-800mA

Output: DC 5V - 1000mA (max)

Capacity: 2000mAh

Standard: GB 4706.18-200

Material: