Portable USB charger, small size, light weight, portable power supply USB port adapter.
LED indicator: red light indicates that it is charging, green light indicates that it is full.
Wide compatibility, suitable for most USB charger devices, allowing you to charge at any time.
Safety protection, over-charge protection and short-circuit protection to ensure safely charge.
Plug and play, just insert the charger into USB interface.
Input: USB 5V
Output: 4.2V 420mA
Item size:4.5*1.9*1.2 cm / 1.77*0.75*0.47 in(L * W * H)
Item weight: Approx.7g /0.25oz
Package size:5.5*2.9*2.2 cm / 2.17*1.14*0.87 in(L * W * H)
Package weight:10g /0.35oz
2 * Chargers