Product Review

Specification
Color: Black
Input voltage: 2.0-4.2V
Output: 5.0V, 500mA (standard as the computer USB output)
Power supply: 2 * AA batteries (Batteries are not included)
Item size: 8.2 * 3.6 * 2cm / 3.2 * 1.4 * 0.8in
Item weight: 23g / 0.8oz

Package including
1 * Emergency Charger