Charge your electronic device or listen to music while on the go with this rechargeable power bank and speaker. Charges your devices with cables included with those devices. To play music, simply remove the product top cover and insert the audio plugs into the audio port of the phone and power bank. Included USB input cord connects to your computer to recharge the power bank. LED lights indicate when the power bank is charging and fully charged. Rechargeable lithium battery charges to full capacity in 4 hours. 3500mAh. Gift box included