Features:
1. Can charge 2 batteries at the same time.
2. Overcharge protection for every charing port and short circuit protection.
3. Voltage input: Direct current 5V
4. Voltage output: 4.2V ± 5%
5. Current output: 350mAh - 410 mAh
6. Charging time:charge 4x 240MAH batteries about 1.5h
charge 4x350MAH batteries about 2h
7. Compatible Battery: Hubsan---H107D/X4
Syma---X5C/X5 X3/F4/X4/X2

Note: Batteries are not included

Package Included:
1 x 2in 1 USB Battery Charger
1 x USB Cable