- Simple and compact design<br />- Charge the battery via US plug adapter or USB port<br />- Input: AC100-240V~50/60Hz0.15A<br />- Output: DC4.2~350mA~??50mA<br />- USB 5.2V DC、 800mA<br />- Comes with a 3.7V 1350mA lithium battery and an EU plug adapter<br /><br />                                                                                                                                Dimensions: 3.31 in x 1.97 in x 1.18 in (8.4 cm x 5.0 cm x 3.0 cm)<br />Weight: 3.14 oz (89 g)<br /><br />